chmod.1 (1167B)
1 .Dd 2015-10-08 2 .Dt CHMOD 1 3 .Os sbase 4 .Sh NAME 5 .Nm chmod 6 .Nd change file modes 7 .Sh SYNOPSIS 8 .Nm 9 .Oo 10 .Fl R 11 .Op Fl H | L | P 12 .Oc 13 .Ar mode 14 .Ar file ... 15 .Sh DESCRIPTION 16 .Nm 17 changes the file mode of each 18 .Ar file 19 to 20 .Ar mode . 21 .Pp 22 If 23 .Ar mode 24 is 25 .Em octal 26 "[sog]e" 27 .Bl -tag -width Ds 28 .It s 29 .Xr sticky 1 => s += 1 30 .Pp 31 .Xr setgid 2 => s += 2 32 .Pp 33 .Xr setuid 4 => s += 4 34 .It o|g|e 35 owner | group | everyone 36 .Pp 37 .Xr execute 1 => o|g|e += 1 38 .Pp 39 .Xr write 2 => o|g|e += 2 40 .Pp 41 .Xr read 4 => o|g|e += 4 42 .El 43 .Pp 44 Leading zeroes may be omitted. 45 .Pp 46 If 47 .Ar mode 48 is 49 .Em symbolic 50 "[ugoa]*[+-=][rwxst]*" 51 .Bl -tag -width Ds 52 .It u|g|o|a 53 owner | group | other (non-group) | everyone 54 .It +|-|= 55 add | remove | set 56 .It r|w|x|s|t 57 read | write | execute | setuid and setgid | sticky 58 .El 59 .Sh OPTIONS 60 .Bl -tag -width Ds 61 .It Fl R 62 Change modes recursively. 63 .It Fl H 64 Dereference 65 .Ar file 66 if it is a symbolic link. 67 .It Fl L 68 Dereference all symbolic links. 69 .It Fl P 70 Preserve symbolic links. This is the default. 71 .El 72 .Sh SEE ALSO 73 .Xr chgrp 1 , 74 .Xr umask 1 75 .Sh STANDARDS 76 The 77 .Nm 78 utility is compliant with the 79 .St -p1003.1-2013 80 specification. 81 .Pp 82 The 83 .Op Fl HLP 84 flags are an extension to that specification.