NewsForge | Secretaries use Linux, taxpayers save millions There is also another, very human problem to overcome: that most people don't understand computers or software, but have memorized only the keystrokes and mouseclick patterns they need to get through the day, so the second they are given a new program they need to memorize a whole new set. This is not an OS-to-OS migration problem per se, but one that can crop up any time a new piece of software is introduced in a workplace environment. But then, because Dave and Mike aren't constantly running around fixing PCs, they have time to train people and answer users' questions, a luxury they would not have if they were fighting Windows problems all day long.