chflags man page on OpenDarwin

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CHFLAGS(1)		  BSD General Commands Manual		    CHFLAGS(1)

     chflags — change file flags

     chflags [-R [-H | -L | -P]] flags file ...

     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.)

     -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	   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  set the system append-only flag (super-user only)
	   schg	   set the system immutable flag (super-user only)
	   sunlnk  set the system undeletable flag (super-user only)
	   uappnd  set the user append-only flag (owner or super-user only)
	   uchg	   set the user immutable flag (owner or super-user only)
	   uunlnk  set the user undeletable flag (owner or super-user only)
	   archived, sappend, schange, simmutable, uappend, uchange,
		   uimmutable, sunlink, uunlink
		   aliases for the above

     Putting the letters “no” before an option causes the flag to be turned
     off.  For example:

	   nouchg  the immutable bit should be cleared

     Symbolic links do not have flags, so unless the -H or -L option is set,
     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 addi‐
     tion, these options override each other and the command's actions are
     determined by the last one specified.

     You can use "ls -lo" to see the flags of existing files.

     The chflags utility exits 0 on success, and >0 if an error occurs.

     ls(1), chflags(2), stat(2), fts(3), symlink(7)

     The chflags command first appeared in 4.4BSD.

BSD				  May 2, 1995				   BSD

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