1.\" $NetBSD: chflags.1,v 1.10 2000/04/17 14:31:23 mrg Exp $ 2.\" 3.\" Copyright (c) 1989, 1990, 1993, 1994 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" the Institute of Electrical and Electronics Engineers, Inc. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 3. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the University of 20.\" California, Berkeley and its contributors. 21.\" 4. Neither the name of the University nor the names of its contributors 22.\" may be used to endorse or promote products derived from this software 23.\" without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35.\" SUCH DAMAGE. 36.\" 37.\" @(#)chflags.1 8.4 (Berkeley) 5/2/95 38.\" 39.Dd May 2, 1995 40.Dt CHFLAGS 1 41.Os 42.Sh NAME 43.Nm chflags 44.Nd change file flags 45.Sh SYNOPSIS 46.Nm 47.Oo 48.Fl R 49.Op Fl H | Fl L | Fl P 50.Oc 51.Ar flags 52.Ar file ... 53.Sh DESCRIPTION 54The 55.Nm 56utility modifies the file flags of the listed files 57as specified by the 58.Ar flags 59operand. 60.Pp 61The options are as follows: 62.Bl -tag -width Ds 63.It Fl H 64If the 65.Fl R 66option is specified, symbolic links on the command line are followed. 67(Symbolic links encountered in the tree traversal are not followed.) 68.It Fl L 69If the 70.Fl R 71option is specified, all symbolic links are followed. 72.It Fl P 73If the 74.Fl R 75option is specified, no symbolic links are followed. 76.It Fl R 77Change the file flags for the file hierarchies rooted 78in the files instead of just the files themselves. 79.El 80.Pp 81Flags are a comma separated list of 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) 89uappnd set the user append-only flag (owner or super-user only) 90uchg set the user immutable flag (owner or super-user only) 91.Ed 92.Pp 93Putting the letters 94.Dq no 95before an option causes the flag to be turned off. 96For example: 97.Bd -literal -offset indent compact 98nouchg the immutable bit should be cleared 99.Ed 100.Pp 101The 102.Fl H , 103.Fl L 104and 105.Fl P 106options are ignored unless the 107.Fl R 108option is specified. 109In addition, these options override each other and the 110command's actions are determined by the last one specified. 111.Pp 112The 113.Fl o 114option 115of 116.Xr ls 1 117is used to display the flags. 118.Pp 119The 120.Nm 121utility exits 0 on success, and >0 if an error occurs. 122.Pp 123The kernel does not allow the flags on block and character 124devices to be changed except by the superuser. 125.Sh SEE ALSO 126.Xr ls 1 , 127.Xr chflags 2 , 128.Xr stat 2 , 129.Xr fts 3 , 130.Xr symlink 7 , 131.Xr dump 8 132