9srv Manual Collection/plan9/chmod(1)

9srv Manual Collection/plan9/chmod(1)	9srv Manual Collection/plan9/chmod(1)

NAME

chmod - change mode

SYNOPSIS

chmod mode file ...

DESCRIPTION

The mode of each named file is changed according to mode, which may be an octal number or a symbolic change to the existing mode. A mode is an octal number constructed from the OR of the following modes.

0400: read by owner
0200: write by owner
0100: execute (search in directory) by owner
0070: read, write, execute (search) by group
0007: read, write, execute (search) by others

A symbolic mode has the form:

[who] op permission

The who part is a combination of the letters u (for user's permissions), g (group) and o (other). The letter a stands for ugo. If who is omitted, the default is a.

Op can be + to add permission to the file's mode, - to take away permission, and = to assign permission absolutely (all other bits will be reset).

Permission is any combination of the letters r (read), w (write), x (execute), a (append only), l (exclusive access), and t (temporary file).

Only the owner of a file or the group leader of its group may change the file's mode.

SOURCE

/sys/src/cmd/chmod.c

SEE ALSO

ls(1), stat(2), stat(5)

9srv Manual Collection/plan9/chmod(1)

Rev: Sun Dec 02 23:42:11 GMT 2007