Linux File Permissions

Character which represents "read" access

• R

• W

• X

• -

Character which represents "write" access

• R

• W

• X

• -

Character which represents "execute" access

• R

• W

• X

• -

Character which represents no access

• R

• W

• X

• -

Access which allows a user to view a file

• read

• write

• execute

• none

Access which allows a user to change a file

• read

• write

• execute

• none

Access which allows a user to run a file (as long as the file is a program or script)

• read

• write

• execute

• none

Access which allows a user to display a directory (ls)

• read

• write

• execute

• none

Access which allows a user to create files and directories

• read

• write

• execute

• none

Access which allows a user to enter a directory (cd)

• read

• write

• execute

• none