diff --git a/copyRootfsIntoTheImage.sh b/copyRootfsIntoTheImage.sh
index 2c6a3e7..232ab5b 100755
--- a/copyRootfsIntoTheImage.sh
+++ b/copyRootfsIntoTheImage.sh
@@ -2,12 +2,12 @@
 # we depend on a properly build rootfs
 if [ "$EUID" -ne 0 ]
 then echo "Please run as root"
-    exit
+    exit 1
 fi
 
 if [ -z disk.img ]
 then echo "Please run createLiveImage.sh first"
-    exit
+    exit 1
 fi
 
 echo "rebuilding C++ hooks"
diff --git a/createLiveImage.sh b/createLiveImage.sh
index dd2acb5..aae0cc7 100755
--- a/createLiveImage.sh
+++ b/createLiveImage.sh
@@ -47,10 +47,10 @@ arch-chroot $CHIBRAX_MOUNT_POINT grub-mkconfig -o /boot/grub/grub.cfg
 
 PARTUUID=$(lsblk $LOOP --fs | awk '{print $4}' | grep -v LABEL)
 
-echo "menuentry 'Chibrax OS' {"                                     >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
-echo "    set root='hd0,msdos1'"                                    >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
+echo "menuentry 'Chibrax OS' {"                                        >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
+echo "    set root='hd0,msdos1'"                                       >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
 echo "    linux /boot/vmlinuz rootfstype=ext4 root=/dev/sda1 rw quiet" >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
-echo "}"                                                            >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
+echo "}"                                                               >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
 
 umount $CHIBRAX_MOUNT_POINT
 losetup -d $LOOP_ROOT
diff --git a/deps.sh b/deps.sh
new file mode 100755
index 0000000..8659123
--- /dev/null
+++ b/deps.sh
@@ -0,0 +1,12 @@
+if [ -f /bin/pacman ] # btw
+then
+    sudo pacman -S python gcc make bc
+else if [ -f /bin/apt ] #deb / ubuntu
+then
+    sudo apt-get install python3 g++ make
+else if [ -f /bin/dnf ] #fedora
+then
+    sudo dnf install python3 gcc-c++ make bc
+fi
+fi
+fi
\ No newline at end of file
diff --git a/rootfs overrides/chibrax/hook.js b/rootfs overrides/chibrax/hook.js
index 4c0f0cf..14546a9 100644
--- a/rootfs overrides/chibrax/hook.js	
+++ b/rootfs overrides/chibrax/hook.js	
@@ -20,8 +20,4 @@ async function fHook(path) {
     })
 }
 
-function rHook(path) {
-
-}
-
 module.exports = { hookTo, fHook }
\ No newline at end of file
diff --git a/rootfs overrides/chibrax/keyboard.js b/rootfs overrides/chibrax/keyboard.js
new file mode 100644
index 0000000..0e9c1db
--- /dev/null
+++ b/rootfs overrides/chibrax/keyboard.js	
@@ -0,0 +1,7 @@
+const fs = require('fs')
+
+function setLayOut(layout) {
+
+}
+
+fs.readFileSync('/etc/vconsole.conf')
\ No newline at end of file
diff --git a/rootfs overrides/etc/vconsole.conf b/rootfs overrides/etc/vconsole.conf
new file mode 100644
index 0000000..fb91436
--- /dev/null
+++ b/rootfs overrides/etc/vconsole.conf	
@@ -0,0 +1 @@
+KEYMAP=fr-pc
\ No newline at end of file
diff --git a/rootfs overrides/usr/bin/cat.js b/rootfs overrides/usr/bin/cat.js
new file mode 100644
index 0000000..0a342bf
--- /dev/null
+++ b/rootfs overrides/usr/bin/cat.js	
@@ -0,0 +1,18 @@
+const fs = require('fs');
+
+if(process.argv.length >= 3){
+    try{
+      const content = fs.readFileSync(process.argv[3], {encoding: 'utf-8'});
+      console.log(content)
+    }
+    catch(e){
+      switch(e.code){
+        case "ENOENT":
+          console.error(`file "${file}" does not exist.`);
+          break;
+         default:
+            console.error(`error: code ${e.code}`)
+      }
+    }
+    
+}
\ No newline at end of file
diff --git a/rootfs overrides/usr/bin/dircolors.js b/rootfs overrides/usr/bin/dircolors.js
new file mode 100644
index 0000000..e69de29
diff --git a/rootfs overrides/usr/bin/echo.js b/rootfs overrides/usr/bin/echo.js
index 41907fe..6694f87 100644
--- a/rootfs overrides/usr/bin/echo.js	
+++ b/rootfs overrides/usr/bin/echo.js	
@@ -1,3 +1,3 @@
 if(process.argv.length >= 3){
-    console.log(process.argv[3])
+    console.log('\x1b[36m%s\x1b[0m', process.argv[3])
 }
\ No newline at end of file
diff --git a/rootfs overrides/usr/bin/ip.js b/rootfs overrides/usr/bin/ip.js
new file mode 100644
index 0000000..681b7dd
--- /dev/null
+++ b/rootfs overrides/usr/bin/ip.js	
@@ -0,0 +1,2 @@
+const os = require('os');
+console.log(os.networkInterfaces());
\ No newline at end of file
diff --git a/rootfs overrides/usr/bin/ls.js b/rootfs overrides/usr/bin/ls.js
index f2de14a..a701b78 100644
--- a/rootfs overrides/usr/bin/ls.js	
+++ b/rootfs overrides/usr/bin/ls.js	
@@ -1,14 +1,129 @@
 const fs = require('fs')
 
-let path = process.argv[3] ?? '.'
-let optionsArray = process.argv.slice(4) ?? []
+
+let paths = []
 let options = []
-for(let option of optionsArray){
-    if(option.startwith("--")) options.push(option.slice)
-    else if(options.startwith("-")) options.push += option.slice(1).split('').map(el => {return '-' + el})
+
+for(arg of process.argv.slice(3)){
+    if(arg.startsWith('--')){
+        options.push(arg)
+    }
+    else if(arg.startsWith('-')){
+        for(let option of arg.slice(1)){
+            options.push('-' + option);
+        }
+    }
+    else{
+        paths.push(arg)
+    }
 }
 
-const files = fs.readdirSync(path);
-const nonHiddenFiles = files.filter(file => file[0] != '.')
+if(paths.length == 0){
+    paths = ['.'];
+}
 
-console.log(options.includes('-a') ? files.join('  ') : nonHiddenFiles.join('  '))
\ No newline at end of file
+
+try{
+    
+    listFiles(paths[0], options)
+}
+catch(e){
+    switch(e.code){
+        case "ENOENT":
+            console.error(`path "${paths[0]}" does not exist`);
+            break;
+        default:
+            console.error(`ls: ${e.code}`)
+    }
+}
+
+
+
+
+function listFiles(path, options){
+    const files = ['.', '..'].concat(fs.readdirSync(paths[0]))
+    const nonHiddenFiles = files.filter(file => file[0] != '.')
+    colorList = JSON.parse(process.env.ls_color)
+    if(options.includes('-l')){
+        console.log(`total ${options.includes('-a') ? files.length : nonHiddenFiles.length}`)
+        for(let file of options.includes('-a') ? files : nonHiddenFiles){
+            
+            stats = fs.lstatSync(`${path}/${file}`);
+            mode = stats.mode
+            result = ""
+            let color = []
+            let defaultColor = "\x1b[0m"
+            let fileType = "-"
+            if(stats.isFile()){
+                fileType = "-";
+                if(stats.mode & 00100){ //owner can execute
+                    color = colorList.ex ? `\x1b[${colorList.ex[0]}m\x1b[${colorList.ex[1]}m` : "\x1b[0m"
+                } 
+            }
+            else if (stats.isDirectory()) {
+                fileType = "d"; 
+                color = colorList.di ? `\x1b[${colorList.di[0]}m\x1b[${colorList.di[1]}m` : "\x1b[0m"
+            }
+            else if (stats.isSymbolicLink()){
+                fileType = "l"
+                color = colorList.ln ? `\x1b[${colorList.ln[0]}m\x1b[${colorList.ln[1]}m` : "\x1b[0m"
+            }
+            result += fileType;
+            permissions = "xwr"
+            for(let i=8;i>=0;i--){
+                result += parseInt(Math.pow(2,i).toString(2)) & mode ?  permissions[i%3] : '-'
+            }
+            if(01000 & mode){ // check sticky bit
+                color = "\x1b[40m\x1b[92m\x1b[7m"
+            } 
+            let date = new Date(stats.mtimeMs*1000).toDateString().split(' ');
+            result += ` ${usernameFromUID(stats.uid)}\t${groupnameFromGID(stats.gid)}\t${stats.size}\t${date[2]} ${date[1]}. ${options.includes('--color') ? color : ""}${file}${defaultColor}`
+            console.log(result)
+        }
+    }
+    else{
+        result = ""
+        const defaultColor = "\x1b[0m";
+        if(options.includes('--color')){
+            for(let file of options.includes('-a') ? files : nonHiddenFiles){
+                stats = fs.lstatSync(`${path}/${file}`);
+                let color = defaultColor
+                if(stats.isDirectory()){
+                    color = colorList.di ? `\x1b[${colorList.di[1]}m\x1b[${colorList.di[0]}m` : defaultColor
+                }
+                else if (stats.isSymbolicLink()){
+                    color = colorList.ln ? `\x1b[${colorList.ln[1]}m\x1b[${colorList.ln[0]}m` : defaultColor
+                }
+                if(01000 & stats.mode){ // check sticky bit
+                    color = "\x1b[40m\x1b[92m\x1b[7m"
+                } 
+                result += color + file + defaultColor + "  ";
+            }
+            console.log(result)
+        }else{
+            console.log(options.includes('-a') ? files.join('  ') : nonHiddenFiles.join('  '))
+        }
+    }
+}   
+
+function usernameFromUID(uid){
+    const passwd = fs.readFileSync("/etc/passwd", {encoding: 'utf-8'}).split('\n');
+    for(let line of passwd){
+        let lineSplited = line.split(':')
+        if(lineSplited[2] == uid){
+            return lineSplited[0];
+        }
+    }
+    return uid
+}
+
+function groupnameFromGID(uid){
+    const passwd = fs.readFileSync("/etc/passwd", {encoding: 'utf-8'}).split('\n');
+    for(let line of passwd){
+        let lineSplited = line.split(':')
+        if(lineSplited[3] == uid){
+            return lineSplited[0];
+        }
+    }
+    return uid
+}
\ No newline at end of file
diff --git a/rootfs overrides/usr/bin/rm.js b/rootfs overrides/usr/bin/rm.js
new file mode 100644
index 0000000..22f6a51
--- /dev/null
+++ b/rootfs overrides/usr/bin/rm.js	
@@ -0,0 +1,25 @@
+const fs = require('fs')
+
+if(process.argv.length >= 3){
+    let filesToRemove = process.argv.slice(3).filter((arg) => !arg.startsWith('-'));
+    let forceDelete = process.argv.includes("--force") || process.argv.includes("-f");
+    let recursiveDelete = process.argv.includes("--recursive") || process.argv.includes('-r');
+    for(file of filesToRemove){
+        try{
+            fs.rmSync(file, {force: forceDelete, recursive: recursiveDelete});
+        }catch(e){
+            switch(e.code){
+            case "ENOENT":
+                console.error(`file "${file}" does not exist.`);
+                break;
+            case "ERR_FS_EISDIR":
+                console.error(`cannot delete ${file} because it is a folder. Try using -r.`)
+                break;
+            default:
+                console.error(`error: code ${e.code}`)
+                console.code(`message: ${e.message}`)
+            }
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/rootfs overrides/usr/bin/sheebr.js b/rootfs overrides/usr/bin/sheebr.js
index b7928e5..3939433 100644
--- a/rootfs overrides/usr/bin/sheebr.js	
+++ b/rootfs overrides/usr/bin/sheebr.js	
@@ -1,7 +1,8 @@
 const { Lexer } = require('../lib/sheebr/lexer')
 const { getline } = require('../lib/sheebr/utils')
 const fs = require('fs')
-const environment = require('../lib/sheebr/environment')
+let environment = require('../lib/sheebr/environment')
+let aliases = require("../lib/sheebr/aliases")
 const readline = require('readline').createInterface({
     input: process.stdin,
     output: process.stdout,
@@ -19,6 +20,7 @@ async function start(){
     while(true){
         input = await getline("sheebr> ");
         if(input == "exit") break;
+        if(input == "") continue;
         else evaluate(input);
     }
 }
@@ -26,16 +28,40 @@ async function start(){
 function evaluate(input){
     let lexer = new Lexer(input)
     args = lexer.scanTokens()
-
-    if(args[0] == "cd"){
-        if(args.length != 2){
-            console.log("Wrong number of arguments"); return;}
-        if(!fs.existsSync(args[1])){console.log("Folder does not exist"); return;}
-        current_dir = args[1][0] == "/" ? args[1] : current_dir + '/' + args[1];
-        console.log(current_dir)
-        return;
+    args = evaluateAliases(args)
+    args = evaluateEnvironmentVariables(args);
+    switch(args[0]){
+        case "cd":
+            if(args.length != 2){
+                console.log("Wrong number of arguments"); return;}
+            if(!fs.existsSync(args[1])){console.log("Folder does not exist"); return;}
+            current_dir = args[1][0] == "/" ? args[1] : current_dir + '/' + args[1];
+            //console.log(current_dir)
+            break;
+        case "set":
+            environment[args[1]] = args[2];
+            break;
+        case "alias":
+            if(args.length == 1) console.log(aliases);
+            else if(args.length == 2){
+                console.error("Wrong number of argument")
+            }
+            else{
+                aliases[args[1]] = args[2].split(" ")
+            }
+            break;
+        case "clear":
+            console.clear();
+            break;
+        default:
+            evaluateProgram(args)
     }
-    // check for all folders in path
+    
+}
+
+
+
+function evaluateProgram(args){
 
     let found = false;
     for(let path of environment.path){
@@ -43,7 +69,7 @@ function evaluate(input){
         const files = fs.readdirSync(path);
         if(files.includes(`${args[0]}.js`)){
             found = true;
-            script = execSync(`node ${path + '/' + args[0]}.js ${args.map(arg => {return arg.includes(' ') ? `"${arg}"` : arg}).join(' ')}`, {cwd: current_dir});
+            script = execSync(`node ${path + '/' + args[0]}.js ${args.map(arg => {return arg.includes(' ') ? `"${arg}"` : arg}).join(' ')}`, {cwd: current_dir, env: environment});
             process.stdout.write(script)
             tobreak = true;
         }
@@ -53,8 +79,27 @@ function evaluate(input){
     if(!found){
         console.log("Program not found")
     }
-    let program = args[0]
 }
 
+function evaluateEnvironmentVariables(args){
+    let newArgs = []
+    for(let arg of args){
+        if(arg.startsWith('$')){
+            if (arg.slice(1) in environment)
+                newArgs.push(JSON.stringify(environment[arg.slice(1)]));
+            else
+                console.error(`variable ${arg.slice(1)} does not exist.`);
+        }
+        else{
+            newArgs.push(arg)
+        }
+    }
+    return newArgs;
+}
 
-
+function evaluateAliases(args){
+    if(args[0] in aliases){
+        return aliases[args[0]].concat(args.slice(1))
+    }
+    return args;
+}
\ No newline at end of file
diff --git a/rootfs overrides/usr/bin/touch.js b/rootfs overrides/usr/bin/touch.js
index 9df0db5..d56689d 100644
--- a/rootfs overrides/usr/bin/touch.js	
+++ b/rootfs overrides/usr/bin/touch.js	
@@ -1,4 +1,9 @@
 const fs = require('fs')
 if(process.argv.length >= 3){
-    fs.openSync(process.argv[3], 'w');
+    try{
+        fs.openSync(process.argv[3], 'w');
+    }
+    catch(e){
+        console.error(e.code + '\n' + e.message);
+    }
 }
\ No newline at end of file
diff --git a/rootfs overrides/usr/bin/whereis.js b/rootfs overrides/usr/bin/whereis.js
new file mode 100644
index 0000000..c0b6a75
--- /dev/null
+++ b/rootfs overrides/usr/bin/whereis.js	
@@ -0,0 +1,23 @@
+const fs = require('fs');
+const { resolve } = require('path');
+
+if(process.argv.length >= 3){
+    // console.log(process.env.path)
+    for(let environmentPath of process.env.path.split(',')){
+        console.log(recursiveSearch(environmentPath, process.argv[3]));
+    }
+}
+
+function recursiveSearch(dir, bin){
+    result = []
+    const dirents = fs.readdirSync(dir, {withFileTypes: true});
+    for(const dirent of dirents){
+        const res = resolve(dir, dirent.name);
+        if(dirent.name === bin){
+            result.push(res);
+        }
+        if(dirent.isDirectory())
+            result = result.concat(recursiveSearch(dirent.name, bin))
+    }
+    return result;
+}
\ No newline at end of file
diff --git a/rootfs overrides/usr/bin/whoami.js b/rootfs overrides/usr/bin/whoami.js
new file mode 100644
index 0000000..0f4ad30
--- /dev/null
+++ b/rootfs overrides/usr/bin/whoami.js	
@@ -0,0 +1,2 @@
+let os = require('os')
+console.log(os.userInfo().username);
diff --git a/rootfs overrides/usr/lib/sheebr/aliases.js b/rootfs overrides/usr/lib/sheebr/aliases.js
new file mode 100644
index 0000000..1e6b442
--- /dev/null
+++ b/rootfs overrides/usr/lib/sheebr/aliases.js	
@@ -0,0 +1,5 @@
+const aliases = {
+    ls: ["ls",  "--color"]
+}
+
+module.exports = aliases
\ No newline at end of file
diff --git a/rootfs overrides/usr/lib/sheebr/environment.js b/rootfs overrides/usr/lib/sheebr/environment.js
index a44043e..815d150 100644
--- a/rootfs overrides/usr/lib/sheebr/environment.js	
+++ b/rootfs overrides/usr/lib/sheebr/environment.js	
@@ -1,5 +1,10 @@
 let environment = {
-    path: ["/usr/lib/sheebr", "/usr/bin"]
+    path: ["/usr/bin", "/usr/lib/sheebr"],
+    ls_color: JSON.stringify({
+        di: [01, 34],
+        ln: [01, 36],
+        ex: [01, 32]
+    })
 }
 
 module.exports  = environment
\ No newline at end of file