On Mar 4, 2016, at 5:39 AM, Gene Heskett <ghesk...@shentel.net> wrote:
> On Friday 04 March 2016 03:39:03 jdd wrote: > >> Le 04/03/2016 08:38, to...@tuxteam.de a écrit : >>> If memory serves, long, long time ago, "mount" (the system call) >>> refused to comply unless the directory was empty (kernel 2.6.mumble; >>> so long ago. Expect bit flips and glitches in my wetware, yadda). >> >> if it existed, it's much older than that, never seen it since 1997... > > Me either, and I go back to '97 myself in linux usage. > >> man mount: >> >> This tells the kernel to attach the filesystem found on device >> (which is of type type) at the directory dir. The previous contents >> (if any) and owner and mode of dir become invisible, and as long >> as this filesystem remains mounted, the pathname dir refers to the >> root of the filesystem on device." This behavior (mounted filesystems hiding the files in the underlying directory) goes all the way back to Bell Labs UNIX(tm) v7 (at least -- I never had a chance to use v6 or earlier) in the 1970's. It's in the POSIX standard. Rick
