On Sun, Mar 02, 2008 at 08:55:36PM -0600, Ron Johnson wrote: > > iso files aren't compressed. When downloading a new OS CD, I wish they > > were gzipped; would save a bunch of telephone time. > > I wonder how compressible they are. Well, I suppose it depends on what's on it.
I just tried an older version of OpenBSD iso, but its mostly compressed tarballs already. Here's the results of that: total 420M -rw------- 1 dtutty dtutty 419M Sep 9 12:50 obsd.iso.gz -rw------- 1 dtutty dtutty 129 Mar 3 12:32 time.txt 34.97user 1.30system 0:36.88elapsed 98%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+241minor)pagefaults 0swaps That's the output of time to the command: /usr/bin/time -o time.txt gzip -v -9 obsd.iso It reduced it by 7.3% in looks like 36 seconds. This is on my Athlon64 3800+ with 1 GB ram stick, running Etch amd64. It took 14 seconds to gunzip. So if debian cd's are also mostly tarballs (debs), perhaps it wouldn't save much. Doug. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]