Update 'README.md'

README.md

@@ -97,8 +97,47 @@ $ ls -l
 
 ## Commands
 
-- `ls` - 
+### `ls`
+
+Lists files 
+
+```bash
+ls /
+afs  bin  boot  dev  etc  home  lib  lib64  lost+found  media  mnt  opt  proc  root  run  sbin  srv  sys  tmp  usr  var
+```
+
+```bash
+ls -la /
+total 20
+dr-xr-xr-x.   1 root root  170 Nov 14 16:18 .
+dr-xr-xr-x.   1 root root  170 Nov 14 16:18 ..
+dr-xr-xr-x.   1 root root    0 Aug  9 15:57 afs
+lrwxrwxrwx.   1 root root    7 Aug  9 15:57 bin -> usr/bin
+dr-xr-xr-x.   7 root root 4096 Nov 14 16:25 boot
+drwx------.   1 root root    0 Aug 30 04:57 .cache
+drwxr-xr-x.  21 root root 3880 Jan  3 20:37 dev
+drwxr-xr-x.   1 root root 5706 Jan  3 20:37 etc
+drwxr-xr-x.   1 root root   22 Aug  9 15:57 home
+lrwxrwxrwx.   1 root root    7 Aug  9 15:57 lib -> usr/lib
+lrwxrwxrwx.   1 root root    9 Aug  9 15:57 lib64 -> usr/lib64
+drwx------.   1 root root    0 Apr 23  2021 lost+found
+drwxr-xr-x.   1 root root    0 Aug  9 15:57 media
+drwxr-xr-x.   1 root root    0 Aug  9 15:57 mnt
+drwxr-xr-x.   1 root root   42 Aug  9 15:57 opt
+dr-xr-xr-x. 295 root root    0 Jan  3 20:36 proc
+dr-xr-x---.   1 root root  574 Dec 27 22:01 root
+drwxr-xr-x.  62 root root 1640 Jan  3 20:39 run
+lrwxrwxrwx.   1 root root    8 Aug  9 15:57 sbin -> usr/sbin
+drwxr-xr-x.   1 root root    0 Aug  9 15:57 srv
+dr-xr-xr-x.  13 root root    0 Jan  3 20:36 sys
+drwxrwxrwt.  20 root root  460 Jan  6 21:18 tmp
+drwxr-xr-x.   1 root root  202 Dec 26 21:31 usr
+drwxr-xr-x.   1 root root  200 Jan  3 20:37 var
+```
+
 - `cd` -
+
+
 - `cat` -
 - `tac` - 
 - `more` -