There is also a -k modifier to man to look for keywords. So even if
there isn't a command but the word you are looking for is mentioned you
still get a search result. For example
man -k easter
would list some man pages that mention Easter and you would find out
that doing an
ncal -e
prints out the date of Easter for Western churches.
CB
On 2/9/12 10:04 AM, Paul Erkens wrote:
Hi CB,
I didn't know yet that bz2 is a command as well. I was just wondering about the
extension. For example, on windows you can make zip files, with but not with a
program called zip. I should have know better though, because when I think it
over now, in unix you have a tar command to make tar files, and gzip to make gz
files. Thanks anyway. I know about man. Man is a great learning source each day
now.
Paul.
On Feb 8, 2012, at 5:33 PM, Chris Blouch wrote:
You can answer some questions about commands by going to the terminal and using
the manual pages. In this case you would do
man bz2
which gives you a bit of info followed by how to use the bz2 command. In the
instructions they have a link to
http://www.bzip.org/
which also gives you details. Summary is, as you expected, it's another file
compressor although they claim much faster compression and uncompression speeds
among other advantages. Disadvantage is that it's not as popular so if you send
a bzip file to someone else they might not know what to do with it.
CB
On 2/8/12 9:25 AM, Paul Erkens wrote:
Dear listers,
Subject says it all. How is bz2 different from zip? Can you generalize it by
saying that bz2 is simply another file compression format like rar etc? In
which cases is bz2 generally used?
Paul.
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