you might get tired of typing the same commands over
and over. Use the history command options to quickly
re-run commands you've already typed in.
Manual section numbers:
you can get documentation
on Unix commands by using
the Unix man command followed by a command
name. On the command manual page, you'll see
the command name followed by a cryptic
number in partenthesis.
This table explains those numbers.
Names that sound like Unix are under
protection of various registered trademarks
by various companies. This is a list that
I could come up with, with links to companies.
Useful for checking out different flavors of Unix
and Unix-like systems.
The shell is the part of
Unix that takes your
commands and does stuff.
There are different kinds of shells available;
This is my collection of Unix shells.