Common Linux commands-permission management commands-Other permission management commands, and common command permission management

Common Linux commands-permission management commands-Other permission management commands, and common command permission management

Command name: chown
English: change file ownership

Command path:/bin/chown

Syntax: chown [user] [file or directory]

Function Description: Change the owner of a file or directory.

Example: chown shenchao fengjie
Change the owner of fengjie to shenchao.

Command name: chgrp

English: change file group ownership

Command path:/bin/chgrp

Syntax: chgrp [user] [file or directory]

Function Description: Change the group to which a file or directory belongs.

Example: chown lampbrother fengjie
Change the fengjie group to lampbrother.

Command name: umask

English: the user file-creation mark

Command path: Shell built-in command

Syntax: umask [-S]
-S displays the default permissions for new files in the form of rwx

Function Description: displays. Sets the default permissions for files.

Example: umask-S