Master Password
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Nearly every aspect of life has evolved to revolve around computers. Take banking, communication and licensing, for example. With more information drifting on-line, the number of usernames and passwords one has to remember becomes unmanageable for the mind.
Following the concept of the master key, it is vital to retain one master password — a cryptic password that unveils all others. How to turn this idea into practice depends on your operating system and available tools. Consider locking of a file, hiding of records in your PDA or secure on-line memos.
indows and Mac users face long procedures of installing and recovering software whenever a computer is bought. This time-consuming process shows the strengths of comprehensive Linux distributions such as 
PC users sometimes assemble a list of programs, each of which needs to be installed in turn. Why not use an image with all the software pre-loaded? Since hard-drive capacity is enormous, redundant bits cannot harm (with the exception of the Windows Registry). Also, one can distribute everything on several machines, without any repeated effort. If this does not illustrate the power of free Open-Source software, what does?