On Tue, 19 Apr 2005 16:34:37 -0600 (MDT) Warner Losh <[EMAIL PROTECTED]> wrote:
> From: Bill Moran <[EMAIL PROTECTED]> > Subject: Re: Newbie Question About System Update > Date: Tue, 19 Apr 2005 16:32:37 -0400 > > > Chuck Swiger <[EMAIL PROTECTED]> wrote: > > > Bill Moran wrote: > > > > The system can not replace programs that are in use, > > > > > > This is generally not the case. Unix lets you continue to access a file > > > after > > > it has been deleted, so long as the process hangs on to a file > > > descriptor. > > > This lets you replace programs in use, without running into the same > > > problems > > > that platforms like Windows have. > > > > What you say?: > > > > bash-2.05b$ su > > Password: > > bolivia# cp /usr/sbin/cron /home/wmoran/. > > bolivia# cp /home/wmoran/cron /usr/sbin/. > > cp: /usr/sbin/./cron: Text file busy > > bolivia# > > mv /usr/sbin/cron /usr/sbin/cron- > cp /blah/cron /usr/sbin/cron > > install does this behind the scenes. I suppose I have to stand corrected. Thanks for putting me straight. -- Bill Moran Potential Technologies http://www.potentialtech.com _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
