Chmod

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