Man is not needed any more

Man is not needed any more

Today I found a female colleague whose login is tarxzvf. If everyone in the company (we're fairly big) uses such kind of login, then man is not needed any more.

Edit: seems there is a redditor with the same name: /u/tarxzvf.

Sorry if you don't get it. I am not sure if it's a good joke. Will see if someone can get it. Linux/Unit experience might be required :) Can /u/jokeexplainbot help?