Path: utzoo!attcan!uunet!husc6!bloom-beacon!athena.mit.edu!tytso From: tytso@athena.mit.edu (Theodore Y. Ts'o) Newsgroups: comp.unix.wizards Subject: Re: File systems Message-ID: <5933@bloom-beacon.MIT.EDU> Date: 27 Jun 88 16:22:44 GMT References: <3964@lynx.UUCP> Sender: daemon@bloom-beacon.MIT.EDU Reply-To: tytso@athena.mit.edu (Theodore Y. Ts'o) Distribution: na Organization: Massachusetts Institute of Technology Lines: 16 In article <3964@lynx.UUCP> m5@lynx.UUCP (Mike McNally) writes: >Is it true that the root file of a file system can be a regular file? >It doesn't seem like mkfs can make such a thing, but I can't see anything >about mount(2) that would disallow it. If this is true, where's it >documented? > >Mike McNally of Lynx Real-Time Systems Well, for while at Athena we were running Todd Brunhoff's Remote File System, which used zero length files as its mountpoints. (Note: this is NOT the RFS which most people commonly think of) We eventually switched over to NFS, but it CAN be done. =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Theodore Ts'o mit-eddie!mit-athena!tytso 3 Ames St., Cambridge, MA 02139 tytso@athena.mit.edu If it's for real, it isn't!