chmod 660 (rw-rw----)

Owner: read, write · Group: read, write · Others: no access

660numeric

rw-rw----symbolic

6 · 6 · 0owner · group · others

Commands

chmod 660 filename chmod u=rw,g=rw,o= filename chmod -R 660 folder/ # apply to a folder and everything in it

Change any permission with the chmod calculator.

What chmod 660 means

Who	Digit	Letters	Can
Owner (user)	6	`rw-`	read, write
Group	6	`rw-`	read, write
Others	0	`---`	no access

Each digit is the sum of read (4), write (2) and execute (1).

Files edited by owner and group only.

chmod 660 sets the permissions to rw-rw----: the owner can read, write, the group can read, write and others can no access.

Files edited by owner and group only.

660 is rw-rw---- (shown by ls -l as -rw-rw---- for a file or drw-rw---- for a folder). The symbolic chmod command is chmod u=rw,g=rw,o= file.