File and directoty permissions in Linux

FILE AND DIRECTORY PERMISSIONS
There are two types of permission modes.
They are 1.Symbolic mode. 2. Absolute mode.

Symbolic mode: -
 Read =R
 User =U
Write =W
 Groups =G
Execute =X
 Other =O

#Chmod G+W file name
#Chmod G-W file name (“-RW-R—R--).

[-Indicates file, RW-indicates users, R—indicates groups, R— others.
Screen graphical mode “CRLT+ALT+F7”

Absolute mode: -

Read =4
Write =2
Execute =1

#Chmod 7 7 7filename.

User group other

4+2+1 4+2+1 4+2+1

USER CREATION IN GRAPHICAL MODE

ü Main menu.
ü System settings user and groups.
ü Click and user.
ü Type and name.
ü File name.
ü Pass word.
ü Confirm password.
ü Login shell.
ü Click OK.