Xref: utzoo unix-pc.general:2851 comp.sys.att:6357 Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!rutgers!njin!princeton!jonlab!jon From: jon@jonlab.UUCP (Jon H. LaBadie) Newsgroups: unix-pc.general,comp.sys.att Subject: Re: Floppy Boot, Filesystem, and Diags (was Re: 3.5" floppy disk revisited) Summary: a small amount of space can be saved by linking mv to cp and ln Message-ID: <777@jonlab.UUCP> Date: 5 May 89 11:28:20 GMT References: <695@icus.islp.ny.us> <629@cbnewsc.ATT.COM> <698@icus.islp.ny.us> Followup-To: unix-pc.general Organization: 4455 Province Line Rd., Princeton, NJ 08540 Lines: 30 In article <698@icus.islp.ny.us>, lenny@icus.islp.ny.us (Lenny Tropiano) writes: A discussion of how to create a bootable diskette followed by this list of files to place on the diskette > > These can be taken from the hard disk: ... > /bin/cp linked to /bin/ln ... > /bin/mv rest of article deleted I would just like to point out that on most unix systems, mv is also simply a link to cp and ln. It could have been implemented this way on the UNIX-PC also, but the implementers chose to give us two identical programs in /bin. One is the linked cp and ln, the other is mv. They are byte for byte identical. The only difference is the permissions. Mv is set uid'ed. If space becomes a premium on the floppy, a few blocks could be saved by linking mv to cp and ln, then changing permissions on them to match /bin/mv on the HD (4755, root owner). -- Jon LaBadie {att, princeton, bcr}!jonlab!jon {att, attmail, bcr}!auxnj!jon