14
votes
2answers
536 views

Why do package names contain version numbers?

While working with Ubuntu and other Debian-based distros, I've noticed that packages in the software repos often contain the major version number. For example, Apache: apache2 Tomcat: tomcat7 PHP: ...
89
votes
3answers
110k views

Check package version using apt-get/aptitude?

Before I install a package I'd like to know what version i would get. How do I check the version before installing using apt-get or aptitude on debian or ubuntu?