1.\" Copyright (c) 1989, 1990, 1993, 1994 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" the Institute of Electrical and Electronics Engineers, Inc. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by the University of 18.\" California, Berkeley and its contributors. 19.\" 4. Neither the name of the University nor the names of its contributors 20.\" may be used to endorse or promote products derived from this software 21.\" without specific prior written permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33.\" SUCH DAMAGE. 34.\" 35.\" @(#)chflags.1 8.4 (Berkeley) 5/2/95 36.\" $FreeBSD$ 37.\" 38.Dd May 2, 1995 39.Dt CHFLAGS 1 40.Os 41.Sh NAME 42.Nm chflags 43.Nd change file flags 44.Sh SYNOPSIS 45.Nm 46.Oo 47.Fl R 48.Op Fl H | Fl L | Fl P 49.Oc 50.Ar flags 51.Ar 52.Sh DESCRIPTION 53The 54.Nm 55utility modifies the file flags of the listed files 56as specified by the 57.Ar flags 58operand. 59.Pp 60The options are as follows: 61.Bl -tag -width indent 62.It Fl H 63If the 64.Fl R 65option is specified, symbolic links on the command line are followed. 66(Symbolic links encountered in the tree traversal are not followed.) 67.It Fl L 68If the 69.Fl R 70option is specified, all symbolic links are followed. 71.It Fl P 72If the 73.Fl R 74option is specified, no symbolic links are followed. 75.It Fl R 76Change the file flags for the file hierarchies rooted 77in the files instead of just the files themselves. 78.El 79.Pp 80The flags are specified as an octal number or a comma separated list 81of keywords. 82The following keywords are currently defined: 83.Bd -literal -offset indent compact 84arch set the archived flag (super-user only) 85opaque set the opaque flag (owner or super-user only) 86nodump set the nodump flag (owner or super-user only) 87sappnd set the system append-only flag (super-user only) 88schg set the system immutable flag (super-user only) 89sunlnk set the system undeletable flag (super-user only) 90uappnd set the user append-only flag (owner or super-user only) 91uchg set the user immutable flag (owner or super-user only) 92uunlnk set the user undeletable flag (owner or super-user only) 93archived, sappend, schange, simmutable, uappend, uchange, uimmutable, 94sunlink, uunlink 95 aliases for the above 96.Ed 97.Pp 98Putting the letters 99.Dq no 100before an option causes the flag to be turned off. 101For example: 102.Bd -literal -offset indent compact 103nouchg the immutable bit should be cleared 104.Ed 105.Pp 106Symbolic links do not have flags, so unless the 107.Fl H 108or 109.Fl L 110option is set, 111.Nm 112on a symbolic link always succeeds and has no effect. 113The 114.Fl H , 115.Fl L 116and 117.Fl P 118options are ignored unless the 119.Fl R 120option is specified. 121In addition, these options override each other and the 122command's actions are determined by the last one specified. 123.Pp 124You can use "ls -lo" to see the flags of existing files. 125.Sh DIAGNOSTICS 126The 127.Nm 128utility exits 0 on success, and >0 if an error occurs. 129.Sh SEE ALSO 130.Xr ls 1 , 131.Xr chflags 2 , 132.Xr stat 2 , 133.Xr fts 3 , 134.Xr symlink 7 135.Sh HISTORY 136The 137.Nm 138command first appeared in 139.Bx 4.4 . 140