+Flags are a comma separated list of keywords.
+The following keywords are currently defined:
+.Bd -literal -offset indent compact
+.\"arch nothing 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)
+.Ed
+.Pp
+Putting the letters
+.Dq no
+before an option causes the flag to be turned off.
+For example:
+.Bd -literal -offset indent compact
+nodump the file should never be dumped
+.Ed
+.Pp
+Symbolic links do not have flags, so unless the