Linux commands

To see the directory and file list


To see the permission status of linux file/folder

ls -l

To change the permission for others

sudo chmod o+wx filename

here to add permission use ‘+’ and to remove permission use ‘-’. Secondly, o means others, g means group, u mean owner and a for all. [r means read, w means write and x means execute, chmod means change mode]

To set the permission

sudo chmod a = rwx filename

Absolute mode permission

sudo chmod 755 file/foldername

To install a apps( Here I am installing google chrome)

sudo apt install ./google-chrome-stable_current_amd64.deb