diff --git a/src/components/react/shell/color.tsx b/src/components/react/shell/color.tsx
index 1f779c4..43df7c7 100644
--- a/src/components/react/shell/color.tsx
+++ b/src/components/react/shell/color.tsx
@@ -2,6 +2,7 @@ const red   = (s: string) => <span className="red">{s}</span>
 const green = (s: string) => <span className="green">{s}</span>
 const blue  = (s: string) => <span className="blue">{s}</span>
 const cyan  = (s: string) => <span className="cyan">{s}</span>
+const bold  = (s: string) => <span className="bold">{s}</span>
 
 export default function rgb(s: string, Ru8: number, Gu8: number, Bu8: number) {
 	return <span style={{color: `rgb(${Ru8},${Gu8},${Bu8})`}}>{s}</span>
@@ -11,5 +12,6 @@ export {
 	red,
 	green,
 	blue,
-	cyan
+	cyan,
+	bold
 }
\ No newline at end of file
diff --git a/src/components/react/shell/command/list.ts b/src/components/react/shell/command/list.ts
deleted file mode 100644
index a64ceb4..0000000
--- a/src/components/react/shell/command/list.ts
+++ /dev/null
@@ -1,26 +0,0 @@
-import { working_dir } from "../fs"
-
-type args = string[]
-
-function ls(args: args) {
-	console.log(args)
-}
-
-function pwd(args: args) {
-
-}
-
-function cat(args: args) {
-
-}
-
-interface commands_list {
-	[index: string]: (args: args) => void
-}
-const commands: commands_list = {
-	["ls"]: ls,
-	["pwd"]: pwd,
-	["cat"]: cat,
-}
-
-export default commands
\ No newline at end of file
diff --git a/src/components/react/shell/command/list.tsx b/src/components/react/shell/command/list.tsx
new file mode 100644
index 0000000..324018e
--- /dev/null
+++ b/src/components/react/shell/command/list.tsx
@@ -0,0 +1,48 @@
+import type { JSX } from "react"
+import { Entry } from "../fs/fs"
+import { blue } from "../color"
+import { set_working_dir } from "../fs/fn"
+
+type args = string[]
+type command = JSX.Element | undefined
+
+function parse_ls(entries: JSX.Element[]) {
+	return <div className="horizontal-display">
+
+	</div>
+}
+
+function cd(args: args): command {
+	set_working_dir(args[1])
+}
+
+function ls(args: args): command {
+	// if (args[1] === undefined) {
+	// 	for (const dir_name in working_dir) {
+
+	// 	}
+	// 	return <p>{`${working_dir}`}</p>
+	// }
+}
+
+function pwd(args: args): command {
+	const tree: string[] = []
+
+	return <p>{`${tree.join("/")}`}</p>
+}
+
+function cat(args: args): command {
+	return
+}
+
+interface commands_list {
+	[index: string]: (args: args) => command
+}
+const commands: commands_list = {
+	["cd"]: cd,
+	["ls"]: ls,
+	["pwd"]: pwd,
+	["cat"]: cat,
+}
+
+export default commands
\ No newline at end of file
diff --git a/src/components/react/shell/command/run.tsx b/src/components/react/shell/command/run.tsx
index 52c0396..69fa564 100644
--- a/src/components/react/shell/command/run.tsx
+++ b/src/components/react/shell/command/run.tsx
@@ -1,14 +1,10 @@
 import type { JSX } from "react";
-import type { Root } from "react-dom/client";
-import { type newElement } from "../../terminal/exec";
-
 import commands from "./list";
-
-type Renderer<T> = React.Dispatch<React.SetStateAction<T>>
+import { bold } from "../color";
 
 function trim(stdin: string): string {
 	const trimmed_str: string[] = []
-	stdin.split(" ").forEach(s => { if (s != "") { trimmed_str.push(s) } })
+	stdin.split(" ").forEach(s => { if (s !== "") { trimmed_str.push(s) } })
 	return trimmed_str.join(" ")
 }
 
@@ -16,26 +12,26 @@ function to_args(trimmed_str: string): string[] {
 	return trimmed_str.split(" ")
 }
 
-function valid_command(args: string[]): boolean {
+function valid_command(args: string[]): JSX.Element | undefined {
 	for (const command_in_list in commands) {
 		const command = args[0]
 		if (command === command_in_list) {
-			commands[command_in_list](args)
-			return true
+			return commands[command_in_list](args)
 		}
 	}
-	return false
+	return
 }
 
-function unknown_command(name: string) {
-	return <p>{`sh: Unknown command: ${name}`}</p>
+function unknown_command(cmd_name: string) {
+	return <p>{"shell: Unknown command: "}{bold(cmd_name)}</p>
 }
 
 export default function run(stdin: string) {
 	const args = to_args(trim(stdin))
+	const command = valid_command(args)
 
-	if (args[0] !== "" && !valid_command(args)) {
+	if (args[0] !== "" && !command) {
 		return unknown_command(args[0])
 	}
-	return <></>
+	return command ? command : <></>
 }
\ No newline at end of file
diff --git a/src/components/react/shell/events.tsx b/src/components/react/shell/events.tsx
index 9f013ed..94fb4be 100644
--- a/src/components/react/shell/events.tsx
+++ b/src/components/react/shell/events.tsx
@@ -33,14 +33,14 @@ function new_prompt(): JSX.Element {
 	return display_prompt()
 }
 
-function keyboard_events(terminal_window: HTMLElement, new_element_f: newElement) {
+function keyboard_events(terminal_window: HTMLElement, new_elements_f: newElement) {
 	const terminal_event = (keyboard_event: KeyboardEvent) => {
 		if (keyboard_event.key === Key.Enter) {
 			const current_prompt = get_current_prompt()
 			if (current_prompt) {
 				const prompt = new_prompt()
 				const output = run(current_prompt.value)
-				new_element_f([output, prompt])
+				new_elements_f([output, prompt])
 				terminal_window.removeEventListener("keydown", terminal_event)
 			}
 		} else if (keyboard_event.key === Key.ArrowUp) {
diff --git a/src/components/react/shell/fs.ts b/src/components/react/shell/fs.ts
deleted file mode 100644
index 56006b6..0000000
--- a/src/components/react/shell/fs.ts
+++ /dev/null
@@ -1,46 +0,0 @@
-let working_dir = "user"
-
-const enum EntryType {
-	Directory,
-	File
-}
-const enum Permissions {
-	r,
-	w,
-	rw
-}
-
-type File = string
-type Entry<T> = {
-	readonly inner: T,
-	readonly type: EntryType,
-	readonly permissions: Permissions
-}
-function Entry<T = File>(inner: T, permissions: Permissions): Entry<T> {
-	const type = typeof inner == "object" ? EntryType.Directory : EntryType.File
-	return {
-		inner: inner,
-		type: type,
-		permissions: permissions
-	}
-}
-
-const user = {
-	["about_me.txt"]: Entry("", Permissions.rw),
-	["services.txt"]: Entry("", Permissions.rw)
-}
-const home = {
-	["user"]: Entry(user, Permissions.rw)
-}
-const root = {
-	["bin"]: Entry({}, Permissions.r),
-	["home"]: Entry(home, Permissions.r)
-}
-const fs = {
-	["/"]: Entry(root, Permissions.r)
-}
-
-export {
-	fs,
-	working_dir
-}
\ No newline at end of file
diff --git a/src/components/react/shell/fs/fn.ts b/src/components/react/shell/fs/fn.ts
new file mode 100644
index 0000000..8a91bf4
--- /dev/null
+++ b/src/components/react/shell/fs/fn.ts
@@ -0,0 +1,35 @@
+import { fs } from "./fs"
+
+let working_dir = ["/", "home", "user"]
+
+function get_working_dir_name_full(): string {
+	const w_dir_clone = [...working_dir]
+	const root = w_dir_clone.shift()
+	if (root) {
+		return root+w_dir_clone.join("/")
+	}
+	return "shift-error"
+}
+
+function get_working_dir_name(): string {
+	return working_dir[working_dir.length-1]
+}
+
+function set_working_dir(name: string) {
+	let new_dir;
+	const w_dir_clone = [...working_dir]
+	w_dir_clone.push(name)
+	w_dir_clone.map(p => p !== "/" ? p+"/" : p).forEach(f => {
+		for (let i = 0; i<fs.length; i++) {
+			if (fs[i].name === f) {
+
+			}
+		}
+	})
+}
+
+export {
+	get_working_dir_name_full,
+	get_working_dir_name,
+	set_working_dir
+}
\ No newline at end of file
diff --git a/src/components/react/shell/fs/fs.ts b/src/components/react/shell/fs/fs.ts
new file mode 100644
index 0000000..5397ef5
--- /dev/null
+++ b/src/components/react/shell/fs/fs.ts
@@ -0,0 +1,47 @@
+const enum EntryType {
+	Directory,
+	File
+}
+const enum Permissions {
+	r,
+	w,
+	rw
+}
+
+const user = [
+	Entry("about_me.txt", "about me inside", Permissions.rw),
+	Entry("services.txt", "services inside", Permissions.rw),
+]
+const home = [
+	Entry("user", user, Permissions.rw)
+]
+const root = [
+	Entry("home", home, Permissions.r),
+	Entry("bin", {}, Permissions.r),
+]
+const fs = [
+	Entry("/", root, Permissions.r)
+]
+
+type File = string
+interface Entry<T = File> {
+	readonly inner: T,
+	readonly name: string,
+	readonly type: EntryType,
+	readonly permissions: Permissions
+}
+function Entry<T = File>(name: string, inner: T, permissions: Permissions): Entry<T> {
+	return {
+		type: typeof inner == "object" ? EntryType.Directory : EntryType.File,
+		inner: inner,
+		name: name,
+		permissions: permissions
+	}
+}
+
+export {
+	fs,
+	EntryType,
+	Permissions,
+	Entry
+}
\ No newline at end of file
diff --git a/src/components/react/shell/prompt.tsx b/src/components/react/shell/prompt.tsx
index cd2845a..a6f4033 100644
--- a/src/components/react/shell/prompt.tsx
+++ b/src/components/react/shell/prompt.tsx
@@ -1,4 +1,4 @@
-import { working_dir } from "./fs"
+import { get_working_dir_name_full } from "./fs/fn"
 import { cyan, green } from "./color"
 
 const userAgent = navigator.userAgent
@@ -9,13 +9,14 @@ if (browser_name_fallible) {
 	browser_name = browser_name_fallible[0] === "Firefox" ? "gecko" : "chromium"
 }
 
-function GetWorkingDir() {
-	return working_dir === "user" ? "~" : working_dir
+function working_dir() {
+	const name = get_working_dir_name_full()
+	return name === "user" ? "~" : name
 }
 
 export default function Display() {
 	const user = cyan("user")
-	const dir = green(GetWorkingDir())
+	const dir = green(working_dir())
 	return <p>{user}@{browser_name} {dir}{"> "}</p>
 }
 
diff --git a/src/components/react/terminal/exec.tsx b/src/components/react/terminal/exec.tsx
index 5b4da0e..f812d5b 100644
--- a/src/components/react/terminal/exec.tsx
+++ b/src/components/react/terminal/exec.tsx
@@ -20,9 +20,9 @@ type newElement = (elements: JSX.Element[]) => void
 export default function Shell() {
 	if (terminal_window) {
 		const [renderedElements, renderElement] = useState([display_prompt()])
-		const new_element_f = (elements: JSX.Element[]) => renderElement([...renderedElements, ...elements])
+		const new_elements_f = (elements: JSX.Element[]) => renderElement([...renderedElements, ...elements])
 
-		keyboard_events(terminal_window, new_element_f)
+		keyboard_events(terminal_window, new_elements_f)
 
 		return renderedElements.map((element, k) => <React.Fragment key={k}>{element}</React.Fragment>)
 	}
diff --git a/tsconfig.json b/tsconfig.json
index 8b67c1f..5b3089e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -8,7 +8,7 @@
     "dist"
   ],
   "compilerOptions": {
-    "noImplicitAny": true,
+  	"noImplicitAny": true,
     "jsx": "react-jsx",
     "jsxImportSource": "react"
   }