Unfortunately, you may get an error when run the commands. 

root@Thelinuxfaq:~ $ ls -al

Error is,


Command 'ls' is available in '/bin/ls'

The command could not be located because '/bin' is not included in the PATH environment variable.

ls: command not found


You need to set the PATH environment variable properly,  run the below commad,

root@Thelinuxfaq:~ $  export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games" 


Add the following line to the bashrc file,

root@Thelinuxfaq:~$ sudo vim   ~/.bashrc

export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games"


Make ensure that the path,

root@Thelinuxfaq:~$  echo $PATH



/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games: /usr/local/games