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 chflags 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 80Flags are a comma separated list of keywords. 81The following keywords are currently defined: 82.Bd -literal -offset indent compact 83arch set the archived flag (super-user only) 84opaque set the opaque flag (owner or super-user only) 85nodump set the nodump flag (owner or super-user only) 86sappnd set the system append-only flag (super-user only) 87schg set the system immutable flag (super-user only) 88sunlnk set the system undeletable flag (super-user only) 89uappnd set the user append-only flag (owner or super-user only) 90uchg set the user immutable flag (owner or super-user only) 91uunlnk set the user undeletable flag (owner or super-user only) 92archived, sappend, schange, simmutable, uappend, uchange, uimmutable, 93sunlink, uunlink 94 aliases for the above 95.Ed 96.Pp 97Putting the letters 98.Dq no 99before an option causes the flag to be turned off. 100For example: 101.Bd -literal -offset indent compact 102nouchg the immutable bit should be cleared 103.Ed 104.Pp 105Symbolic links do not have flags, so unless the 106.Fl H 107or 108.Fl L 109option is set, 110.Nm 111on a symbolic link always succeeds and has no effect. 112The 113.Fl H , 114.Fl L 115and 116.Fl P 117options are ignored unless the 118.Fl R 119option is specified. 120In addition, these options override each other and the 121command's actions are determined by the last one specified. 122.Pp 123You can use "ls -lo" to see the flags of existing files. 124.Sh DIAGNOSTICS 125The 126.Nm 127utility exits 0 on success, and >0 if an error occurs. 128.Sh SEE ALSO 129.Xr ls 1 , 130.Xr chflags 2 , 131.Xr stat 2 , 132.Xr fts 3 , 133.Xr symlink 7 134.Sh HISTORY 135The 136.Nm 137command first appeared in 138.Bx 4.4 . 139