freebsd-dev/bin/chflags/chflags.1

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.\" Copyright (c) 1989, 1990, 1993, 1994
.\" The Regents of the University of California. All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" the Institute of Electrical and Electronics Engineers, Inc.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
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.\" notice, this list of conditions and the following disclaimer.
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.\" notice, this list of conditions and the following disclaimer in the
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.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
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.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
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.\" @(#)chflags.1 8.4 (Berkeley) 5/2/95
1999-08-28 01:08:13 +00:00
.\" $FreeBSD$
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.\"
.Dd March 24, 2003
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.Dt CHFLAGS 1
.Os
.Sh NAME
.Nm chflags
.Nd change file flags
.Sh SYNOPSIS
.Nm
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.Oo
.Fl R
.Op Fl H | Fl L | Fl P
.Oc
.Ar flags
.Ar
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.Sh DESCRIPTION
The
.Nm
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utility modifies the file flags of the listed files
as specified by the
.Ar flags
operand.
.Pp
The options are as follows:
.Bl -tag -width indent
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.It Fl H
If the
.Fl R
option is specified, symbolic links on the command line are followed.
(Symbolic links encountered in the tree traversal are not followed.)
.It Fl L
If the
.Fl R
option is specified, all symbolic links are followed.
.It Fl P
If the
.Fl R
option is specified, no symbolic links are followed.
This is the default.
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.It Fl R
Change the file flags for the file hierarchies rooted
in the files instead of just the files themselves.
.El
.Pp
The flags are specified as an octal number or a comma separated list
of keywords.
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The following keywords are currently defined:
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.Pp
.Bl -tag -offset indent -width "opaque" -compact
.It Ar arch
set the archived flag (super-user only)
.It Ar opaque
set the opaque flag (owner or super-user only)
.It Ar nodump
set the nodump flag (owner or super-user only)
.It Ar sappnd
set the system append-only flag (super-user only)
.It Ar schg
set the system immutable flag (super-user only)
.It Ar sunlnk
set the system undeletable flag (super-user only)
.It Ar uappnd
set the user append-only flag (owner or super-user only)
.It Ar uchg
set the user immutable flag (owner or super-user only)
.It Ar uunlnk
set the user undeletable flag (owner or super-user only)
.It Ar archived , sappend , schange , Xo
.Ar simmutable , uappend , uchange , uimmutable ,
.Ar sunlink , uunlink
.Xc
aliases for the above
.El
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.Pp
Putting the letters
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.Dq Ar no
before or removing the letters
.Dq Ar no
from a keyword causes the flag to be cleared.
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For example:
.Pp
.Bl -tag -offset indent -width "nouchg" -compact
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.It Ar nouchg
clear the user immutable flag (owner or super-user only)
.It Ar dump
clear the nodump flag (owner or super-user only)
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.El
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.Pp
Symbolic links do not have flags, so unless the
.Fl H
or
.Fl L
option is set,
.Nm
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on a symbolic link always succeeds and has no effect.
The
.Fl H ,
.Fl L
and
.Fl P
options are ignored unless the
.Fl R
option is specified.
In addition, these options override each other and the
command's actions are determined by the last one specified.
.Pp
You can use "ls -lo" to see the flags of existing files.
.Sh DIAGNOSTICS
.Ex -std
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.Sh SEE ALSO
.Xr ls 1 ,
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.Xr chflags 2 ,
.Xr stat 2 ,
.Xr fts 3 ,
.Xr symlink 7
.Sh HISTORY
The
.Nm
command first appeared in
.Bx 4.4 .