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CHFLAGS(1) FreeBSD General Commands Manual CHFLAGS(1)
NAME
chflags -- change file flags
SYNOPSIS
chflags [-h] [-R [-H | -L | -P]] flags file ...
DESCRIPTION
The chflags utility modifies the file flags of the listed files as speci-
fied by the flags operand.
The options are as follows:
-H If the -R option is specified, symbolic links on the command line
are followed. (Symbolic links encountered in the tree traversal
are not followed.)
-h If the file is a symbolic link, change the mode of the link
itself rather than the file to which it points.
-L If the -R option is specified, all symbolic links are followed.
-P If the -R option is specified, no symbolic links are followed.
This is the default.
-R Change the file flags for the file hierarchies rooted in the
files instead of just the files themselves.
The flags are specified as an octal number or a comma separated list of
keywords. The following keywords are currently defined:
arch, archived
set the archived flag (super-user only)
opaque set the opaque flag (owner or super-user only)
nodump set the nodump flag (owner or super-user only)
sappnd, sappend
set the system append-only flag (super-user only)
schg, schange, simmutable
set the system immutable flag (super-user only)
sunlnk, sunlink
set the system undeletable flag (super-user only)
uappnd, uappend
set the user append-only flag (owner or super-user only)
uchg, uchange, uimmutable
set the user immutable flag (owner or super-user only)
uunlnk, uunlink
set the user undeletable flag (owner or super-user only)
Putting the letters ``no'' before or removing the letters ``no'' from a
keyword causes the flag to be cleared. For example:
nouchg clear the user immutable flag (owner or super-user only)
dump clear the nodump flag (owner or super-user only)
A few of the octal values include:
0 Clear all file flags.
1 Translates to the nodump keyword.
2 Translates to the uchg keyword.
3 Translates to the uchg, nodump keywords.
4 Translates to the uappnd keyword.
10 Translates to the opaque keyword.
20 translates to the uunlnk keyword.
Other combinations of keywords may be placed by using the octets
assigned; however, these are the most notable.
Unless the -H, -L, or -h options are given, chflags on a symbolic link
always succeeds and has no effect. The -H, -L and -P options are ignored
unless the -R option is specified. In addition, these options override
each other and the command's actions are determined by the last one spec-
ified.
You can use "ls -lo" to see the flags of existing files.
Note that the ability to change certain flags is dependent on the current
kernel securelevel setting. See security(7) for more information on this
setting.
EXIT STATUS
The chflags utility exits 0 on success, and >0 if an error occurs.
SEE ALSO
ls(1), chflags(2), stat(2), fts(3), security(7), symlink(7)
HISTORY
The chflags command first appeared in 4.4BSD.
BUGS
Only a limited number of utilities are chflags aware. Some of these
tools include ls(1), cp(1), find(1), install(1), dump(8), and restore(8).
In particular a tool which is not currently chflags aware is the pax(1)
utility.
FreeBSD 6.2 March 3, 2006 FreeBSD 6.2
Man(1) output converted with
man2html and wrapped by fishsponge
This page was generated on Wed Sep 19 19:56:35 BST 2007
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