MTA means Mail Transfer Agent --- it's usually a server to send and receive mail
regular expressions are special strings to match sentences based on some conditions, take a look at the regex(7) manpage
a package which conflicts with another one or with a specific version of another package cannot be installed at the same time as that package or package version
The underscore key, usually found together with the dash, typeable by pressing shift while pressing the dash key.
For example, Debian 3.0 was called woody, Debian 3.1 is sarge
Debian usually strips all the binaries and libraries it ships. That means that all the debug symbols are removed.
A very nice ship-fighting game that lacks network play. Any takers =)
APT HOWTO
2.0.2 - October 2006kov@debian.org
yooseong@debian.org