chmod 664 (rw-rw-r--)

Owner: read, write · Group: read, write · Others: read

664numeric

rw-rw-r--symbolic

6 · 6 · 4owner · group · others

Commands

chmod 664 filename chmod u=rw,g=rw,o=r filename chmod -R 664 folder/ # apply to a folder and everything in it

Change any permission with the chmod calculator.

What chmod 664 means

Who	Digit	Letters	Can
Owner (user)	6	`rw-`	read, write
Group	6	`rw-`	read, write
Others	4	`r--`	read

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

Files edited by a group, readable by others.

chmod 664 sets the permissions to rw-rw-r--: the owner can read, write, the group can read, write and others can read.

Files edited by a group, readable by others.

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