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alias for editing .bashrc and sourcing it with a quick command, very useful for quickly adding and modifying alias' and functions in bashrc, create lots of alias from commandlinefu very quickly, use nano vim or any other edit if you want, very useful if you have a barcode scanner and you want to run commands quickly with barcodes
When you have to manage lot of servers, it's boring to type ssh root@myhost for each connection. Now you can type juste "s someting" and you are connected.
You can too add bash_completion script to complet with tab the name of your servers. This will be the next tips from me ;)
Use ZSH instead of bash, typing .. will move you up one directory, without the need to alias it.
Convert Windows/DOS Text Files to Uni