diff --git a/bot.go b/bot.go
index 78e6585..6c6cd31 100644
--- a/bot.go
+++ b/bot.go
@@ -6,7 +6,6 @@ import (
 	"compress/gzip"
 	"context"
 	"encoding/json"
-	"flag"
 	"fmt"
 	"gf-lt/config"
 	"gf-lt/models"
@@ -1771,20 +1770,4 @@ func init() {
 	// atomic default values
 	cachedModelColor.Store("orange")
 	go chatWatcher(ctx)
-	// parse flags
-	flag.BoolVar(&cfg.CLIMode, "cli", false, "Run in CLI mode without TUI")
-	flag.BoolVar(&cfg.ToolUse, "tools", true, "run with tools")
-	flag.StringVar(&cfg.CurrentModel, "model", "modelname", "name of the model to use")
-	flag.StringVar(&cliCardPath, "card", "", "Path to syscard JSON file")
-	flag.BoolVar(&cliContinue, "continue", false, "Continue from last chat (by agent or card)")
-	flag.StringVar(&cliMsg, "msg", "", "Send message and exit (one-shot mode)")
-	flag.Parse()
-	if !cfg.CLIMode {
-		initTUI()
-	}
-	chatBody.Model = cfg.CurrentModel
-	go updateModelLists()
-	tools.InitTools(cfg, logger, store)
-	// tooler = tools.InitTools(cfg, logger, store)
-	// tooler.RegisterWindowTools(modelHasVision)
 }
diff --git a/config/config.go b/config/config.go
index 9d2dcaa..6b2dfae 100644
--- a/config/config.go
+++ b/config/config.go
@@ -30,6 +30,7 @@ type Config struct {
 	DBPATH                        string `toml:"DBPATH"`
 	FilePickerDir                 string `toml:"FilePickerDir"`
 	FilePickerExts                string `toml:"FilePickerExts"`
+	FSAllowOutOfRoot              bool   `toml:"FSAllowOutOfRoot"`
 	ImagePreview                  bool   `toml:"ImagePreview"`
 	EnableMouse                   bool   `toml:"EnableMouse"`
 	// embeddings
diff --git a/main.go b/main.go
index 61f9116..d252b4a 100644
--- a/main.go
+++ b/main.go
@@ -2,9 +2,11 @@ package main
 
 import (
 	"bufio"
+	"flag"
 	"fmt"
 	"gf-lt/models"
 	"gf-lt/pngmeta"
+	"gf-lt/tools"
 	"os"
 	"slices"
 	"strconv"
@@ -36,6 +38,22 @@ var (
 )
 
 func main() {
+	// parse flags
+	flag.BoolVar(&cfg.CLIMode, "cli", false, "Run in CLI mode without TUI")
+	flag.BoolVar(&cfg.ToolUse, "tools", true, "run with tools")
+	flag.StringVar(&cfg.CurrentModel, "model", "modelname", "name of the model to use")
+	flag.StringVar(&cliCardPath, "card", "", "Path to syscard JSON file")
+	flag.BoolVar(&cliContinue, "continue", false, "Continue from last chat (by agent or card)")
+	flag.StringVar(&cliMsg, "msg", "", "Send message and exit (one-shot mode)")
+	flag.Parse()
+	if !cfg.CLIMode {
+		initTUI()
+	}
+	chatBody.Model = cfg.CurrentModel
+	go updateModelLists()
+	tools.InitTools(cfg, logger, store)
+	// tooler = tools.InitTools(cfg, logger, store)
+	// tooler.RegisterWindowTools(modelHasVision)
 	if cfg.CLIMode {
 		runCLIMode()
 		return
diff --git a/props_table.go b/props_table.go
index 3cf796c..81dfb64 100644
--- a/props_table.go
+++ b/props_table.go
@@ -126,6 +126,9 @@ func makePropsTable(props map[string]float32) *tview.Table {
 	addCheckboxRow("Image Preview (file picker)", cfg.ImagePreview, func(checked bool) {
 		cfg.ImagePreview = checked
 	})
+	addCheckboxRow("Allow FS out of root", cfg.FSAllowOutOfRoot, func(checked bool) {
+		cfg.FSAllowOutOfRoot = checked
+	})
 	addCheckboxRow("Auto turn (for cards with many chars)", cfg.AutoTurn, func(checked bool) {
 		cfg.AutoTurn = checked
 	})
diff --git a/rag/rag_integration_test.go b/rag/rag_integration_test.go
index 39c5011..e364b4d 100644
--- a/rag/rag_integration_test.go
+++ b/rag/rag_integration_test.go
@@ -54,6 +54,12 @@ func (d dummyStore) Recall(agent, topic string) (string, error)        { return
 func (d dummyStore) RecallTopics(agent string) ([]string, error)       { return nil, nil }
 func (d dummyStore) Forget(agent, topic string) error                  { return nil }
 
+// TableLister method
+func (d dummyStore) ListTables() ([]string, error) { return nil, nil }
+func (d dummyStore) GetTableColumns(table string) ([]storage.TableColumn, error) {
+	return nil, nil
+}
+
 // VectorRepo methods (not used but required by interface)
 func (d dummyStore) WriteVector(row *models.VectorRow) error { return nil }
 func (d dummyStore) SearchClosest(q []float32, limit int) ([]models.VectorRow, error) {
diff --git a/tools/chain.go b/tools/chain.go
index ebb5209..e2db232 100644
--- a/tools/chain.go
+++ b/tools/chain.go
@@ -135,8 +135,7 @@ func ExecChain(command string) string {
 		return "[error] empty command"
 	}
 
-	// Handle redirects: find the segment with OpRedirect or OpAppend
-	// The NEXT segment (if any) is the target file
+	// Check if we have a redirect
 	var redirectTo string
 	var isAppend bool
 	redirectIdx := -1
@@ -149,25 +148,30 @@ func ExecChain(command string) string {
 	}
 
 	if redirectIdx >= 0 && redirectIdx+1 < len(segments) {
-		// The segment after redirect is the target path
 		targetPath, err := resolveRedirectPath(segments[redirectIdx+1].Raw)
 		if err != nil {
 			return fmt.Sprintf("[error] redirect: %v", err)
 		}
 		redirectTo = targetPath
-		// Get the redirect command BEFORE removing segments
 		redirectCmd := segments[redirectIdx].Raw
+
+		// Check if there's chaining after redirect by looking at the operator of the segment AFTER the target
+		// The segment at redirectIdx+1 is the target file, and its Op tells us what operator follows
+		hasChainingAfterRedirect := false
+		if redirectIdx+1 < len(segments) && segments[redirectIdx+1].Op != OpNone && segments[redirectIdx+1].Op != OpPipe {
+			hasChainingAfterRedirect = true
+		}
+
 		// Remove both the redirect segment and its target
 		segments = append(segments[:redirectIdx], segments[redirectIdx+2:]...)
 
-		// Execute the redirect command explicitly
+		// Execute the redirect command
 		var lastOutput string
 		var lastErr error
 		lastOutput, lastErr = execSingle(redirectCmd, "")
 		if lastErr != nil {
 			return fmt.Sprintf("[error] redirect: %v", lastErr)
 		}
-		// Write output to file
 		if err := writeFile(redirectTo, lastOutput, isAppend); err != nil {
 			return fmt.Sprintf("[error] redirect: %v", err)
 		}
@@ -176,9 +180,25 @@ func ExecChain(command string) string {
 			mode = "Appended"
 		}
 		size := humanSizeChain(int64(len(lastOutput)))
-		return fmt.Sprintf("%s %s → %s", mode, size, filepath.Base(redirectTo))
+		redirectResult := fmt.Sprintf("%s %s → %s", mode, size, filepath.Base(redirectTo))
+
+		// If no remaining segments or no chaining, just return the write confirmation
+		if len(segments) == 0 || !hasChainingAfterRedirect {
+			return redirectResult
+		}
+
+		// There are remaining commands after the redirect
+		collected := []string{redirectResult}
+
+		// Execute remaining commands
+		for _, seg := range segments {
+			lastOutput, lastErr = execSingle(seg.Raw, "")
+			if lastOutput != "" {
+				collected = append(collected, lastOutput)
+			}
+		}
+		return strings.Join(collected, "\n")
 	} else if redirectIdx >= 0 && redirectIdx+1 >= len(segments) {
-		// Redirect but no target file
 		return "[error] redirect: target file required"
 	}
 
diff --git a/tools/fs.go b/tools/fs.go
index 8db0c26..e52010b 100644
--- a/tools/fs.go
+++ b/tools/fs.go
@@ -9,6 +9,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"regexp"
 	"sort"
 	"strconv"
 	"strings"
@@ -61,16 +62,17 @@ func resolvePath(rel string) (string, error) {
 	if cfg.FilePickerDir == "" {
 		return "", errors.New("fs root not set")
 	}
-	if filepath.IsAbs(rel) {
+	isAbs := filepath.IsAbs(rel)
+	if isAbs {
 		abs := filepath.Clean(rel)
-		if !strings.HasPrefix(abs, cfg.FilePickerDir+string(os.PathSeparator)) && abs != cfg.FilePickerDir {
+		if !cfg.FSAllowOutOfRoot && !strings.HasPrefix(abs, cfg.FilePickerDir+string(os.PathSeparator)) && abs != cfg.FilePickerDir {
 			return "", fmt.Errorf("path escapes fs root: %s", rel)
 		}
 		return abs, nil
 	}
 	abs := filepath.Join(cfg.FilePickerDir, rel)
 	abs = filepath.Clean(abs)
-	if !strings.HasPrefix(abs, cfg.FilePickerDir+string(os.PathSeparator)) && abs != cfg.FilePickerDir {
+	if !cfg.FSAllowOutOfRoot && !strings.HasPrefix(abs, cfg.FilePickerDir+string(os.PathSeparator)) && abs != cfg.FilePickerDir {
 		return "", fmt.Errorf("path escapes fs root: %s", rel)
 	}
 	return abs, nil
@@ -111,6 +113,59 @@ func FsLs(args []string, stdin string) string {
 			dir = a
 		}
 	}
+
+	hasGlob := strings.ContainsAny(dir, "*?[")
+
+	if hasGlob {
+		absDir := cfg.FilePickerDir
+		if filepath.IsAbs(dir) {
+			absDir = filepath.Dir(dir)
+		} else if strings.Contains(dir, "/") {
+			absDir = filepath.Join(cfg.FilePickerDir, filepath.Dir(dir))
+		}
+		globPattern := filepath.Base(dir)
+		fullPattern := filepath.Join(absDir, globPattern)
+
+		matches, err := filepath.Glob(fullPattern)
+		if err != nil {
+			return fmt.Sprintf("[error] ls: %v", err)
+		}
+		if len(matches) == 0 {
+			return "[error] ls: no such file or directory"
+		}
+		var out strings.Builder
+		filter := func(name string) bool {
+			return showAll || !strings.HasPrefix(name, ".")
+		}
+		for _, match := range matches {
+			info, err := os.Stat(match)
+			if err != nil {
+				continue
+			}
+			name := filepath.Base(match)
+			if !filter(name) {
+				continue
+			}
+			if longFormat {
+				if info.IsDir() {
+					fmt.Fprintf(&out, "d  %-8s %s/\n", "-", name)
+				} else {
+					fmt.Fprintf(&out, "f  %-8s %s\n", humanSize(info.Size()), name)
+				}
+			} else {
+				if info.IsDir() {
+					fmt.Fprintf(&out, "%s/\n", name)
+				} else {
+					fmt.Fprintf(&out, "%s\n", name)
+				}
+			}
+		}
+		if out.Len() == 0 {
+			return "(empty directory)"
+		}
+		return strings.TrimRight(out.String(), "\n")
+	}
+
 	abs, err := resolvePath(dir)
 	if err != nil {
 		return fmt.Sprintf("[error] %v", err)
@@ -153,36 +208,59 @@ func FsLs(args []string, stdin string) string {
 
 func FsCat(args []string, stdin string) string {
 	b64 := false
-	var path string
+	var paths []string
 	for _, a := range args {
 		if a == "-b" || a == "--base64" {
 			b64 = true
-		} else if path == "" {
-			path = a
+		} else if a != "" {
+			paths = append(paths, a)
 		}
 	}
-	if path == "" {
+	if len(paths) == 0 {
 		if stdin != "" {
 			return stdin
 		}
 		return "[error] usage: cat <path> or cat (with stdin)"
 	}
-	abs, err := resolvePath(path)
-	if err != nil {
-		return fmt.Sprintf("[error] %v", err)
-	}
-	data, err := os.ReadFile(abs)
-	if err != nil {
-		return fmt.Sprintf("[error] cat: %v", err)
-	}
-	if b64 {
-		result := base64.StdEncoding.EncodeToString(data)
-		if IsImageFile(path) {
-			result += fmt.Sprintf("\n![image](file://%s)", abs)
+
+	var allFiles []string
+	for _, path := range paths {
+		if strings.ContainsAny(path, "*?[") {
+			matches, err := filepath.Glob(path)
+			if err != nil {
+				return fmt.Sprintf("[error] cat: %v", err)
+			}
+			allFiles = append(allFiles, matches...)
+		} else {
+			allFiles = append(allFiles, path)
 		}
-		return result
 	}
-	return string(data)
+
+	if len(allFiles) == 0 {
+		return "[error] cat: no files found"
+	}
+
+	var results []string
+	for _, path := range allFiles {
+		abs, err := resolvePath(path)
+		if err != nil {
+			return fmt.Sprintf("[error] %v", err)
+		}
+		data, err := os.ReadFile(abs)
+		if err != nil {
+			return fmt.Sprintf("[error] cat: %v", err)
+		}
+		if b64 {
+			result := base64.StdEncoding.EncodeToString(data)
+			if IsImageFile(path) {
+				result += fmt.Sprintf("\n![image](file://%s)", abs)
+			}
+			results = append(results, result)
+		} else {
+			results = append(results, string(data))
+		}
+	}
+	return strings.Join(results, "")
 }
 
 func FsViewImg(args []string, stdin string) string {
@@ -323,60 +401,211 @@ func FsRm(args []string, stdin string) string {
 	if len(args) == 0 {
 		return "[error] usage: rm <path>"
 	}
-	abs, err := resolvePath(args[0])
-	if err != nil {
-		return fmt.Sprintf("[error] %v", err)
+	force := false
+	var paths []string
+	for _, a := range args {
+		if a == "-f" || a == "--force" {
+			force = true
+		} else if !strings.HasPrefix(a, "-") {
+			paths = append(paths, a)
+		}
 	}
-	if err := os.RemoveAll(abs); err != nil {
-		return fmt.Sprintf("[error] rm: %v", err)
+	if len(paths) == 0 {
+		return "[error] usage: rm <path>"
 	}
-	return "Removed " + args[0]
+
+	var removed []string
+	var errs []string
+	for _, path := range paths {
+		if strings.ContainsAny(path, "*?[") {
+			matches, err := filepath.Glob(path)
+			if err != nil {
+				if !force {
+					return fmt.Sprintf("[error] rm: %v", err)
+				}
+				continue
+			}
+			for _, m := range matches {
+				if err := os.RemoveAll(m); err != nil {
+					if !force {
+						errs = append(errs, fmt.Sprintf("%v", err))
+					}
+					continue
+				}
+				removed = append(removed, m)
+			}
+		} else {
+			abs, err := resolvePath(path)
+			if err != nil {
+				if !force {
+					return fmt.Sprintf("[error] %v", err)
+				}
+				continue
+			}
+			if err := os.RemoveAll(abs); err != nil {
+				if !force {
+					return fmt.Sprintf("[error] rm: %v", err)
+				}
+				continue
+			}
+			removed = append(removed, path)
+		}
+	}
+	if len(removed) == 0 && len(errs) > 0 {
+		return "[error] rm: " + strings.Join(errs, "; ")
+	}
+	return "Removed " + strings.Join(removed, ", ")
 }
 
 func FsCp(args []string, stdin string) string {
 	if len(args) < 2 {
 		return "[error] usage: cp <src> <dst>"
 	}
-	srcAbs, err := resolvePath(args[0])
-	if err != nil {
-		return fmt.Sprintf("[error] %v", err)
+	srcPattern := args[0]
+	dstPath := args[1]
+
+	// Check if dst is an existing directory (ends with / or is a directory)
+	dstIsDir := strings.HasSuffix(dstPath, "/")
+	if !dstIsDir {
+		if info, err := os.Stat(dstPath); err == nil && info.IsDir() {
+			dstIsDir = true
+		}
 	}
-	dstAbs, err := resolvePath(args[1])
-	if err != nil {
-		return fmt.Sprintf("[error] %v", err)
+
+	// Check for single file copy (no glob and dst doesn't end with / and is not an existing dir)
+	hasGlob := strings.ContainsAny(srcPattern, "*?[")
+
+	// Single source file to a specific file path (not a glob, not a directory)
+	if !hasGlob && !dstIsDir {
+		// Check if destination is an existing file - if not, treat as single file copy
+		if info, err := os.Stat(dstPath); err != nil || !info.IsDir() {
+			srcAbs, err := resolvePath(srcPattern)
+			if err != nil {
+				return fmt.Sprintf("[error] %v", err)
+			}
+			data, err := os.ReadFile(srcAbs)
+			if err != nil {
+				return fmt.Sprintf("[error] cp read: %v", err)
+			}
+			if err := os.WriteFile(dstPath, data, 0o644); err != nil {
+				return fmt.Sprintf("[error] cp write: %v", err)
+			}
+			return fmt.Sprintf("Copied %s → %s (%s)", srcPattern, dstPath, humanSize(int64(len(data))))
+		}
 	}
-	data, err := os.ReadFile(srcAbs)
-	if err != nil {
-		return fmt.Sprintf("[error] cp read: %v", err)
+
+	// Copy to directory (either glob, or explicit directory)
+	var srcFiles []string
+	if hasGlob {
+		matches, err := filepath.Glob(srcPattern)
+		if err != nil {
+			return fmt.Sprintf("[error] cp: %v", err)
+		}
+		if len(matches) == 0 {
+			return "[error] cp: no files match pattern"
+		}
+		srcFiles = matches
+	} else {
+		srcFiles = []string{srcPattern}
 	}
-	if err := os.MkdirAll(filepath.Dir(dstAbs), 0o755); err != nil {
-		return fmt.Sprintf("[error] cp mkdir: %v", err)
+
+	var results []string
+	for _, srcPath := range srcFiles {
+		srcAbs, err := resolvePath(srcPath)
+		if err != nil {
+			return fmt.Sprintf("[error] %v", err)
+		}
+		data, err := os.ReadFile(srcAbs)
+		if err != nil {
+			return fmt.Sprintf("[error] cp read: %v", err)
+		}
+
+		dstAbs, err := resolvePath(filepath.Join(dstPath, filepath.Base(srcPath)))
+		if err != nil {
+			return fmt.Sprintf("[error] %v", err)
+		}
+		if err := os.MkdirAll(filepath.Dir(dstAbs), 0o755); err != nil {
+			return fmt.Sprintf("[error] cp mkdir: %v", err)
+		}
+		if err := os.WriteFile(dstAbs, data, 0o644); err != nil {
+			return fmt.Sprintf("[error] cp write: %v", err)
+		}
+		results = append(results, fmt.Sprintf("%s → %s (%s)", srcPath, filepath.Join(dstPath, filepath.Base(srcPath)), humanSize(int64(len(data)))))
 	}
-	if err := os.WriteFile(dstAbs, data, 0o644); err != nil {
-		return fmt.Sprintf("[error] cp write: %v", err)
-	}
-	return fmt.Sprintf("Copied %s → %s (%s)", args[0], args[1], humanSize(int64(len(data))))
+	return strings.Join(results, ", ")
 }
 
 func FsMv(args []string, stdin string) string {
 	if len(args) < 2 {
 		return "[error] usage: mv <src> <dst>"
 	}
-	srcAbs, err := resolvePath(args[0])
-	if err != nil {
-		return fmt.Sprintf("[error] %v", err)
+	srcPattern := args[0]
+	dstPath := args[1]
+
+	// Check if dst is an existing directory (ends with / or is a directory)
+	dstIsDir := strings.HasSuffix(dstPath, "/")
+	if !dstIsDir {
+		if info, err := os.Stat(dstPath); err == nil && info.IsDir() {
+			dstIsDir = true
+		}
 	}
-	dstAbs, err := resolvePath(args[1])
-	if err != nil {
-		return fmt.Sprintf("[error] %v", err)
+
+	// Check for single file move (no glob and dst doesn't end with / and is not an existing dir)
+	hasGlob := strings.ContainsAny(srcPattern, "*?[")
+
+	// Single source file to a specific file path (not a glob, not a directory)
+	if !hasGlob && !dstIsDir {
+		// Check if destination is an existing file - if not, treat as single file move
+		if info, err := os.Stat(dstPath); err != nil || !info.IsDir() {
+			srcAbs, err := resolvePath(srcPattern)
+			if err != nil {
+				return fmt.Sprintf("[error] %v", err)
+			}
+			if err := os.MkdirAll(filepath.Dir(dstPath), 0o755); err != nil {
+				return fmt.Sprintf("[error] mv mkdir: %v", err)
+			}
+			if err := os.Rename(srcAbs, dstPath); err != nil {
+				return fmt.Sprintf("[error] mv: %v", err)
+			}
+			return fmt.Sprintf("Moved %s → %s", srcPattern, dstPath)
+		}
 	}
-	if err := os.MkdirAll(filepath.Dir(dstAbs), 0o755); err != nil {
-		return fmt.Sprintf("[error] mv mkdir: %v", err)
+
+	// Move to directory (either glob, or explicit directory)
+	var srcFiles []string
+	if hasGlob {
+		matches, err := filepath.Glob(srcPattern)
+		if err != nil {
+			return fmt.Sprintf("[error] mv: %v", err)
+		}
+		if len(matches) == 0 {
+			return "[error] mv: no files match pattern"
+		}
+		srcFiles = matches
+	} else {
+		srcFiles = []string{srcPattern}
 	}
-	if err := os.Rename(srcAbs, dstAbs); err != nil {
-		return fmt.Sprintf("[error] mv: %v", err)
+
+	var results []string
+	for _, srcPath := range srcFiles {
+		srcAbs, err := resolvePath(srcPath)
+		if err != nil {
+			return fmt.Sprintf("[error] %v", err)
+		}
+
+		dstAbs, err := resolvePath(filepath.Join(dstPath, filepath.Base(srcPath)))
+		if err != nil {
+			return fmt.Sprintf("[error] %v", err)
+		}
+		if err := os.MkdirAll(filepath.Dir(dstAbs), 0o755); err != nil {
+			return fmt.Sprintf("[error] mv mkdir: %v", err)
+		}
+		if err := os.Rename(srcAbs, dstAbs); err != nil {
+			return fmt.Sprintf("[error] mv: %v", err)
+		}
+		results = append(results, fmt.Sprintf("%s → %s", srcPath, filepath.Join(dstPath, filepath.Base(srcPath))))
 	}
-	return fmt.Sprintf("Moved %s → %s", args[0], args[1])
+	return strings.Join(results, ", ")
 }
 
 func FsMkdir(args []string, stdin string) string {
@@ -433,14 +662,31 @@ func FsTime(args []string, stdin string) string {
 
 func FsGrep(args []string, stdin string) string {
 	if len(args) == 0 {
-		return "[error] usage: grep [-i] [-v] [-c] <pattern> [file]"
+		return "[error] usage: grep [-i] [-v] [-c] [-E] <pattern> [file]"
 	}
 	ignoreCase := false
 	invert := false
 	countOnly := false
+	useRegex := false
 	var pattern string
 	var filePath string
 	for _, a := range args {
+		if strings.HasPrefix(a, "-") && !strings.HasPrefix(a, "--") && len(a) > 1 {
+			flags := strings.TrimLeft(a, "-")
+			for _, c := range flags {
+				switch c {
+				case 'i':
+					ignoreCase = true
+				case 'v':
+					invert = true
+				case 'c':
+					countOnly = true
+				case 'E':
+					useRegex = true
+				}
+			}
+			continue
+		}
 		switch a {
 		case "-i":
 			ignoreCase = true
@@ -448,6 +694,8 @@ func FsGrep(args []string, stdin string) string {
 			invert = true
 		case "-c":
 			countOnly = true
+		case "-E":
+			useRegex = true
 		default:
 			if pattern == "" {
 				pattern = a
@@ -475,16 +723,32 @@ func FsGrep(args []string, stdin string) string {
 	} else {
 		return "[error] grep: no input (use file path or pipe from stdin)"
 	}
-	if ignoreCase {
-		pattern = strings.ToLower(pattern)
-	}
+
 	var matched []string
 	for _, line := range lines {
-		haystack := line
-		if ignoreCase {
-			haystack = strings.ToLower(line)
+		var match bool
+		if useRegex {
+			re, err := regexp.Compile(pattern)
+			if err != nil {
+				return fmt.Sprintf("[error] grep: invalid regex: %v", err)
+			}
+			match = re.MatchString(line)
+			if ignoreCase && !match {
+				reIC, err := regexp.Compile("(?i)" + pattern)
+				if err == nil {
+					match = reIC.MatchString(line)
+				}
+			}
+		} else {
+			haystack := line
+			if ignoreCase {
+				haystack = strings.ToLower(line)
+				patternLower := strings.ToLower(pattern)
+				match = strings.Contains(haystack, patternLower)
+			} else {
+				match = strings.Contains(haystack, pattern)
+			}
 		}
-		match := strings.Contains(haystack, pattern)
 		if invert {
 			match = !match
 		}
diff --git a/tools/unix_test.go b/tools/unix_test.go
new file mode 100644
index 0000000..1590a0d
--- /dev/null
+++ b/tools/unix_test.go
@@ -0,0 +1,316 @@
+package tools
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"gf-lt/config"
+)
+
+func init() {
+	cfg = &config.Config{}
+	cwd, _ := os.Getwd()
+	if strings.HasSuffix(cwd, "/tools") || strings.HasSuffix(cwd, "\\tools") {
+		cwd = filepath.Dir(cwd)
+	}
+	cfg.FilePickerDir = cwd
+}
+
+func TestUnixGlobExpansion(t *testing.T) {
+	tmpDir := filepath.Join(cfg.FilePickerDir, "test_glob_tmp")
+	os.MkdirAll(tmpDir, 0755)
+	defer os.RemoveAll(tmpDir)
+
+	os.WriteFile(filepath.Join(tmpDir, "file1.txt"), []byte("content1"), 0644)
+	os.WriteFile(filepath.Join(tmpDir, "file2.txt"), []byte("content2"), 0644)
+	os.WriteFile(filepath.Join(tmpDir, "file3.log"), []byte("content3"), 0644)
+
+	tests := []struct {
+		name    string
+		cmd     string
+		wantErr bool
+		check   func(string) bool
+	}{
+		{
+			name:    "ls glob txt files",
+			cmd:     "ls " + tmpDir + "/*.txt",
+			wantErr: false,
+			check:   func(r string) bool { return strings.Contains(r, "file1.txt") && strings.Contains(r, "file2.txt") },
+		},
+		{
+			name:    "cat glob txt files",
+			cmd:     "cat " + tmpDir + "/*.txt",
+			wantErr: false,
+			check:   func(r string) bool { return strings.Contains(r, "content1") && strings.Contains(r, "content2") },
+		},
+		{
+			name:    "ls glob no matches",
+			cmd:     "ls " + tmpDir + "/*.nonexistent",
+			wantErr: false,
+			check:   func(r string) bool { return strings.Contains(r, "no such file") || strings.Contains(r, "(empty") },
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := ExecChain(tt.cmd)
+			if tt.wantErr && result == "" {
+				t.Errorf("expected error for %q, got empty", tt.cmd)
+			}
+			if !tt.check(result) {
+				t.Errorf("check failed for %q, got %q", tt.cmd, result)
+			}
+		})
+	}
+}
+
+func TestUnixCatMultipleFiles(t *testing.T) {
+	tmpDir := filepath.Join(cfg.FilePickerDir, "test_cat_multi")
+	os.MkdirAll(tmpDir, 0755)
+	defer os.RemoveAll(tmpDir)
+
+	os.WriteFile(filepath.Join(tmpDir, "a.txt"), []byte("file a content\n"), 0644)
+	os.WriteFile(filepath.Join(tmpDir, "b.txt"), []byte("file b content\n"), 0644)
+	os.WriteFile(filepath.Join(tmpDir, "c.txt"), []byte("file c content\n"), 0644)
+
+	tests := []struct {
+		name  string
+		cmd   string
+		check func(string) bool
+	}{
+		{
+			name: "cat multiple files with paths",
+			cmd:  "cat " + tmpDir + "/a.txt " + tmpDir + "/b.txt",
+			check: func(r string) bool {
+				return strings.Contains(r, "file a content") && strings.Contains(r, "file b content")
+			},
+		},
+		{
+			name: "cat three files",
+			cmd:  "cat " + tmpDir + "/a.txt " + tmpDir + "/b.txt " + tmpDir + "/c.txt",
+			check: func(r string) bool {
+				return strings.Contains(r, "file a content") && strings.Contains(r, "file b content") && strings.Contains(r, "file c content")
+			},
+		},
+		{
+			name: "cat via shell with glob",
+			cmd:  "cat " + tmpDir + "/*.txt",
+			check: func(r string) bool {
+				return strings.Contains(r, "file a content") && strings.Contains(r, "file b content")
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := ExecChain(tt.cmd)
+			if !tt.check(result) {
+				t.Errorf("check failed for %q, got %q", tt.cmd, result)
+			}
+		})
+	}
+}
+
+func TestUnixGrepPatternQuoting(t *testing.T) {
+	tmpDir := filepath.Join(cfg.FilePickerDir, "test_grep_quote")
+	os.MkdirAll(tmpDir, 0755)
+	defer os.RemoveAll(tmpDir)
+
+	os.WriteFile(filepath.Join(tmpDir, "animals.txt"), []byte("dog\ncat\nbird\nfish\n"), 0644)
+	os.WriteFile(filepath.Join(tmpDir, "colors.txt"), []byte("red\nblue\ngreen\n"), 0644)
+
+	tests := []struct {
+		name  string
+		cmd   string
+		check func(string) bool
+	}{
+		{
+			name:  "grep with double quotes OR pattern",
+			cmd:   "grep -E \"dog|cat\" " + tmpDir + "/animals.txt",
+			check: func(r string) bool { return strings.Contains(r, "dog") && strings.Contains(r, "cat") },
+		},
+		{
+			name:  "grep with single quotes OR pattern",
+			cmd:   "grep -E 'dog|cat' " + tmpDir + "/animals.txt",
+			check: func(r string) bool { return strings.Contains(r, "dog") && strings.Contains(r, "cat") },
+		},
+		{
+			name:  "grep case insensitive with quotes",
+			cmd:   "grep -iE \"DOG|CAT\" " + tmpDir + "/animals.txt",
+			check: func(r string) bool { return strings.Contains(r, "dog") && strings.Contains(r, "cat") },
+		},
+		{
+			name:  "grep piped from cat",
+			cmd:   "cat " + tmpDir + "/animals.txt | grep -E \"dog|cat\"",
+			check: func(r string) bool { return strings.Contains(r, "dog") && strings.Contains(r, "cat") },
+		},
+		{
+			name: "grep with complex pattern",
+			cmd:  "grep -E \"red|blue|green\" " + tmpDir + "/colors.txt",
+			check: func(r string) bool {
+				return strings.Contains(r, "red") && strings.Contains(r, "blue") && strings.Contains(r, "green")
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := ExecChain(tt.cmd)
+			if !tt.check(result) {
+				t.Errorf("check failed for %q, got %q", tt.cmd, result)
+			}
+		})
+	}
+}
+
+func TestUnixForLoop(t *testing.T) {
+	tmpDir := filepath.Join(cfg.FilePickerDir, "test_forloop")
+	os.MkdirAll(tmpDir, 0755)
+	defer os.RemoveAll(tmpDir)
+
+	os.WriteFile(filepath.Join(tmpDir, "dog.txt"), []byte("I have a dog\n"), 0644)
+	os.WriteFile(filepath.Join(tmpDir, "cat.txt"), []byte("I have a cat\n"), 0644)
+	os.WriteFile(filepath.Join(tmpDir, "red.txt"), []byte("red color\n"), 0644)
+
+	result := ExecChain("cd " + tmpDir + " && for f in *.txt; do echo \"file: $f\"; done")
+	if result == "" {
+		t.Error("empty result from for loop execution")
+	}
+	if strings.Contains(result, "file:") {
+		t.Logf("for loop is supported: %s", result)
+	} else {
+		t.Logf("for loops not supported (expected): %s", result)
+	}
+}
+
+func TestUnixGlobWithFileOps(t *testing.T) {
+	tests := []struct {
+		name  string
+		cmd   string
+		setup func() string
+		check func(string) bool
+	}{
+		{
+			name: "rm glob txt files",
+			cmd:  "rm {dir}/*.txt",
+			setup: func() string {
+				tmpDir := filepath.Join(cfg.FilePickerDir, "test_rm_glob")
+				os.MkdirAll(tmpDir, 0755)
+				os.WriteFile(filepath.Join(tmpDir, "a.txt"), []byte("content"), 0644)
+				os.WriteFile(filepath.Join(tmpDir, "b.txt"), []byte("content"), 0644)
+				return tmpDir
+			},
+			check: func(r string) bool { return !strings.Contains(r, "[error]") },
+		},
+		{
+			name: "cp glob to dest",
+			cmd:  "cp {dir}/*.txt {dir}/dest/",
+			setup: func() string {
+				tmpDir := filepath.Join(cfg.FilePickerDir, "test_cp_glob")
+				os.MkdirAll(tmpDir, 0755)
+				os.MkdirAll(filepath.Join(tmpDir, "dest"), 0755)
+				os.WriteFile(filepath.Join(tmpDir, "a.txt"), []byte("content a"), 0644)
+				os.WriteFile(filepath.Join(tmpDir, "b.txt"), []byte("content b"), 0644)
+				return tmpDir
+			},
+			check: func(r string) bool { return !strings.Contains(r, "[error]") },
+		},
+		{
+			name: "mv glob to dest",
+			cmd:  "mv {dir}/*.log {dir}/dest/",
+			setup: func() string {
+				tmpDir := filepath.Join(cfg.FilePickerDir, "test_mv_glob")
+				os.MkdirAll(tmpDir, 0755)
+				os.MkdirAll(filepath.Join(tmpDir, "dest"), 0755)
+				os.WriteFile(filepath.Join(tmpDir, "c.log"), []byte("content c"), 0644)
+				return tmpDir
+			},
+			check: func(r string) bool { return !strings.Contains(r, "[error]") },
+		},
+		{
+			name: "ls with flags and glob",
+			cmd:  "ls -la {dir}/*.txt",
+			setup: func() string {
+				tmpDir := filepath.Join(cfg.FilePickerDir, "test_ls_glob")
+				os.MkdirAll(tmpDir, 0755)
+				os.WriteFile(filepath.Join(tmpDir, "a.txt"), []byte("content"), 0644)
+				os.WriteFile(filepath.Join(tmpDir, "b.txt"), []byte("content"), 0644)
+				return tmpDir
+			},
+			check: func(r string) bool { return strings.Contains(r, "a.txt") || strings.Contains(r, "b.txt") },
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tmpDir := tt.setup()
+			defer os.RemoveAll(tmpDir)
+			cmd := strings.ReplaceAll(tt.cmd, "{dir}", tmpDir)
+			result := ExecChain(cmd)
+			if !tt.check(result) {
+				t.Errorf("check failed for %q, got %q", cmd, result)
+			}
+		})
+	}
+}
+
+func TestUnixComplexPiping(t *testing.T) {
+	tmpDir := filepath.Join(cfg.FilePickerDir, "test_pipe_complex")
+	os.MkdirAll(tmpDir, 0755)
+	defer os.RemoveAll(tmpDir)
+
+	os.WriteFile(filepath.Join(tmpDir, "data.txt"), []byte("apple\nbanana\nAPPLE\ncherry\nbanana\n"), 0644)
+
+	tests := []struct {
+		name  string
+		cmd   string
+		check func(string) bool
+	}{
+		{
+			name:  "cat | grep -i | sort",
+			cmd:   "cat " + tmpDir + "/data.txt | grep -i apple | sort",
+			check: func(r string) bool { return strings.Contains(r, "apple") && !strings.Contains(r, "banana") },
+		},
+		{
+			name:  "ls | wc -l",
+			cmd:   "ls " + tmpDir + " | wc -l",
+			check: func(r string) bool { return strings.TrimSpace(r) == "1" },
+		},
+		{
+			name:  "echo > file && cat file",
+			cmd:   "echo 'hello world' > " + tmpDir + "/out.txt && cat " + tmpDir + "/out.txt",
+			check: func(r string) bool { return strings.Contains(r, "hello world") },
+		},
+		{
+			name:  "grep file | head -2",
+			cmd:   "grep a " + tmpDir + "/data.txt | head -2",
+			check: func(r string) bool { return strings.Contains(r, "apple") || strings.Contains(r, "banana") },
+		},
+		{
+			name:  "cat | grep | wc -l",
+			cmd:   "cat " + tmpDir + "/data.txt | grep -i apple | wc -l",
+			check: func(r string) bool { return strings.TrimSpace(r) == "2" },
+		},
+		{
+			name:  "ls | grep txt | head -1",
+			cmd:   "ls " + tmpDir + " | grep txt | head -1",
+			check: func(r string) bool { return strings.Contains(r, "data.txt") },
+		},
+		{
+			name:  "echo | sed replacement",
+			cmd:   "echo 'hello world' | sed 's/world/universe/'",
+			check: func(r string) bool { return strings.Contains(r, "hello universe") },
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := ExecChain(tt.cmd)
+			if !tt.check(result) {
+				t.Errorf("check failed for %q, got %q", tt.cmd, result)
+			}
+		})
+	}
+}