This is part 4 of a multi-part article. Part 1 discusses the importance of complex passwords and also discusses some ways to create them in Linux. Part 2 covers the KeepassX, a program with a very nice graphical user interface. In part 3, takes a look at the gpass program which is a nice graphical user interface for the gnome desktop (will work on others too), part 4 takes a look at the command line pwsafe. pwsafe is a unix commandline program that manages encrypted password databases.