Instead of manually rearranging windows in a development environment time and time again, the Tmux terminal multiplexer can restore them from a configuration script.
The Vagrant package provides easy management of virtual machines with VirtualBox as the hypervisor on the command line. Provisioning tools like Puppet let customers try out products in pre-installed environments.
7z, ZIP, TAR.GZ, GZIP -- there are literally dozens of archiving formats. On top of that, there is also a multitude of tools for managing archives in different formats, and each tool has its own commands and parameters.
