is set to indicate the error.
.Sh ERRORS
.Fn Chflags
-will fail it:
+will fail if:
.Bl -tag -width Er
.It Bq Er ENOTDIR
A component of the path prefix is not a directory.
An
.Tn I/O
error occurred while reading from or writing to the file system.
+.It Bq Er ENOTSUP
+The operation isn't supported by the filesystem.
.El
.Pp
.Fn Fchflags
An
.Tn I/O
error occurred while reading from or writing to the file system.
+.It Bq Er ENOTSUP
+The operation isn't supported by the filesystem.
.El
.Sh SEE ALSO
.Xr chflags 1 ,
.Xr fflagstostr 3 ,
+.Xr lchflags 3 ,
.Xr strtofflags 3 ,
.Xr init 8
.Sh HISTORY