Rocky Hotas <rockyho...@firemail.cc> wrote: > <https://mail-index.netbsd.org/tech-security/1999/02/01/0000.html> > > where short descriptions of flags are shown. However, I still can't > understand the meaning of `nodump' and `arch'. > Is there another reference/document/message about them?
Does the attached diff help? If somebody could double-check that the 'arch' flag is accurately described, then I'd commit this. (I think the immutable and append-only flags are self-explanatory and don't warrant being further explained.) -Jan
Index: chflags.1 =================================================================== RCS file: /cvsroot/src/usr.bin/chflags/chflags.1,v retrieving revision 1.28 diff -u -p -r1.28 chflags.1 --- chflags.1 19 May 2023 19:50:59 -0000 1.28 +++ chflags.1 22 May 2023 22:43:13 -0000 @@ -32,7 +32,7 @@ .\" .\" @(#)chflags.1 8.4 (Berkeley) 5/2/95 .\" -.Dd May 19, 2023 +.Dd May 22, 2023 .Dt CHFLAGS 1 .Os .Sh NAME @@ -104,6 +104,18 @@ The following keywords are currently def .It Li uchg Ta user immutable Ta owner or super-user .El .Pp +The +.Va arch +flag is only used in connection with certain +filesystems (e.g., MS-DOS), where it indicates whether +a file has been modified since it was last backed up. +.Pp +A file with the +.Va nodump +flag set will by default only be backed up by +.Xr dump 8 +during full backups. +.Pp Putting the letters .Sq Cm no before a keyword causes the flag to be turned off.