06-15-2012
Are you asking how to use pico to edit a file?
Are you asking which file to edit?
The "Linux root directory" is "/" and there are no login files there. There are also several kinds of "login files". There is login.defs, bashrc, profile, etc... and they are located in your "home directory" or in "/etc".
Some (ex. files under "/etc") should NOT be edited by a beginner and some (ex. files in your home) are fairly safe to tinker with.
What exactly are you asking here?
Please give a better example of what you are trying to do.
It looks like you want to set "aliases", but for who?
You?
All users?
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