Return to chmod.1 CVS log

Up to [Research Unix] / researchv10dc / man / adm / man1

Annotation of researchv10dc/man/adm/man1/chmod.1, revision 1.1

1.1     ! root        1: .TH CHMOD 1 
        !             2: .CT 1 files dirs secur
        !             3: .SH NAME
        !             4: chmod \- change mode
        !             5: .SH SYNOPSIS
        !             6: .B chmod
        !             7: .I mode file ...
        !             8: .SH DESCRIPTION
        !             9: The mode of
        !            10: each named file
        !            11: is changed
        !            12: according to
        !            13: .I mode,
        !            14: which may be absolute or symbolic.
        !            15: An absolute
        !            16: .I mode
        !            17: is an octal
        !            18: number constructed
        !            19: from the OR of the
        !            20: following modes.
        !            21: (Modes that contain a 1000 bit are incompatible with
        !            22: other modes that have any bits among 7000.)
        !            23: .TP
        !            24: 4000
        !            25: set user ID on execution
        !            26: .PD0
        !            27: .TP
        !            28: 3000
        !            29: set exclusive access mode (1 writer or
        !            30: .I n
        !            31: readers)
        !            32: .TP
        !            33: 2000
        !            34: set group ID on execution
        !            35: .TP
        !            36: 1000
        !            37: set synchronized access mode (1 writer and
        !            38: .I n
        !            39: readers)
        !            40: .TP
        !            41: 0400
        !            42: read by owner
        !            43: .TP
        !            44: 0200
        !            45: write by owner
        !            46: .TP
        !            47: 0100
        !            48: execute (search in directory) by owner
        !            49: .TP
        !            50: 0070
        !            51: read, write, execute (search) by group
        !            52: .TP
        !            53: 0007
        !            54: read, write, execute (search) by others
        !            55: .PD
        !            56: .PP
        !            57: A symbolic
        !            58: .I mode
        !            59: has the form:
        !            60: .IP
        !            61: .RI [ who ]
        !            62: .I op permission
        !            63: .RI [ "op permission" " ...]"
        !            64: .PP
        !            65: The
        !            66: .I who
        !            67: part is a combination
        !            68: of the letters 
        !            69: .B u
        !            70: (for user's permissions),
        !            71: .B g
        !            72: (group)
        !            73: and
        !            74: .B o
        !            75: (other).
        !            76: The letter
        !            77: .B a
        !            78: stands for
        !            79: .B ugo.
        !            80: If
        !            81: .I who
        !            82: is omitted,
        !            83: the default is
        !            84: .BR a .
        !            85: .PP
        !            86: .I Op
        !            87: can be
        !            88: .B +
        !            89: to add
        !            90: .I permission
        !            91: to the file's mode,
        !            92: .B -
        !            93: to take away
        !            94: .I permission
        !            95: and
        !            96: .B =
        !            97: to assign
        !            98: .I permission
        !            99: absolutely
        !           100: (all other bits will
        !           101: be reset).
        !           102: .PP
        !           103: .I Permission
        !           104: is any combination of the letters
        !           105: .B r
        !           106: (read),
        !           107: .B w
        !           108: (write),
        !           109: .B x
        !           110: (execute),
        !           111: .B s
        !           112: (set owner or group id)
        !           113: .B e
        !           114: (set exclusive access mode)
        !           115: and
        !           116: .B y
        !           117: (set synchronized access mode).
        !           118: Letters
        !           119: .BR u,
        !           120: .B g
        !           121: or
        !           122: .B o
        !           123: indicate that
        !           124: .I permission
        !           125: is to be taken
        !           126: from the current
        !           127: mode.
        !           128: Omitting
        !           129: .I permission
        !           130: is only useful
        !           131: with
        !           132: .B =
        !           133: to take away
        !           134: all permissions.
        !           135: .PP
        !           136: Multiple symbolic modes separated by commas may be given.
        !           137: Operations are performed
        !           138: in the order specified.
        !           139: The letter
        !           140: .B s
        !           141: is only useful
        !           142: with
        !           143: .B u
        !           144: or
        !           145: .B g.
        !           146: .PP
        !           147: Only the owner of a file (or the super-user) may change its mode.
        !           148: .PP
        !           149: Synchronized access
        !           150: guards against inconsistent updates
        !           151: by preventing concurrent opens for writing.
        !           152: Exclusive access
        !           153: guards against inconsistent views
        !           154: by preventing concurrent opens if one is for writing.
        !           155: .SH EXAMPLES
        !           156: .TP
        !           157: .L
        !           158: chmod o-w file
        !           159: Deny write permission to others.
        !           160: .TP
        !           161: .L
        !           162: chmod +x file
        !           163: Make file executable.
        !           164: .SH "SEE ALSO"
        !           165: .IR ls (1),
        !           166: .IR chmod (2),
        !           167: .IR stat (2),
        !           168: .IR chdate (1),
        !           169: .IR chown (8)

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.