immutable bit question

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LEARN ABOUT BSD

chflags

CHFLAGS(1)						      General Commands Manual							CHFLAGS(1)

NAME

       chflags - change file flags

SYNOPSIS

       chflags [-R] [-f]flags file ...

DESCRIPTION

       The chflags utility modifies the file flags of the listed files as specified by the flags operand.

       The options are as follows:

       -R	      Change the file flags for the file hierarchies rooted in the files instead of just the files themselves.

       -f chflags will not complain if it fails to change the flags on a file.

       Flags are a comma separated list of keywords.  The following keywords are currently defined:

       arch		   No effect.  This bit is defined and will be set/cleared as requested but nothing in the system makes use of it yet.

       dump		   Set the dump flag

       sappnd		   Set the system append-only flag (super-user only)

       schg		   Set the system immutable 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)

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

       nodump		   the file should never be dumped

       Symbolic  links do not have flags and are silently ignored by chflags.  When the -R option is given and symbolic links are encountered they
       are not traversed.  This is the same behaviour as chmod(1).

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

SEE ALSO

       chflags(2), stat(2), symlink(7)

4th Berkeley Distribution					 November 28, 1994							CHFLAGS(1)

Solaris