Linux File System command umask

Command: Umask

Function: Specifies the default permission settings when creating a file or folder

Usage: umask-s: View permissions to create files in rwx way

Umask-p: View the file's permissions as a placeholder, showing the decimal of the complement.

Also for the description of file permissions:

U: Represents the user, the current users

G: Represents group, the user group to which the current user belongs

O: Representing other users or groups of users

RWX: Represents a three-bit binary number 111, and the decimal is 7

[Email protected] 6380-mt:~/test$ umask-0002[email protected]-hp-compaq-pro-6380-mt:~ /test$ umask-Su=rwx,g=rwx,o=rx[email protected]-hp-compaq-pro-6380

Linux File System command umask