Linux Common commands-Rights management commands-Rights Management command chmod

Command name: chmod
Command English Original: Change the permissions mode of a file
Command path:/bin/chmod
Syntax: chmod "{ugoa}{+-=}{rwx}" "File or directory"
"mode = 777" "File or directory"
-R Recursive modification
Function Description: Change the permissions of a file or directory

The number represented by the permission
R 4
W 2
X 1
rwxrw-r-
7 6 4

Example
chmod g+w Tstfile
Grant Write permission to tstfile file
Chmod-r 7777 Testfile
Modify directory Testfile and the files in the directory to have full permissions for all users

Linux Common commands-Rights management commands-Rights Management command chmod