A Unix/Linux shell command to change file permissions.
Chmod Chmod ugoa =+- rwx filename WHO U= user G= group O= owner A= all Or Chmod xxx filename R = 4 Read W = 2 Write X = 1 Execute Ie Chmod 744 file.ksh User can Read 4 Write +2 Execute +1 =7 Group can Read 4 Everyone can Read 4