Linux File Permissions - TannerWeinacker/Tech-Journal GitHub Wiki

To add a user

• useradd ‘name’

To add a group

• groupadd ‘name’

To add a user to a group

• usermod -aG ‘group name’ ‘name’

To become a different user

• su - ‘name’

To change group owner

• chgrp ‘name’ ‘directory’

To change group permissions

• use chmod g+-w /’directory’ (the g+w if for adding write)

• G - is for group
• O - is for other
• U - is for user

• W - write
• R - Read
• X - Executable

How to read the file permissions

• Directory + User + Group + Other

IF you want to see what group the user is in

• id