tab for auto completion of the last word
arrow left or right to move in sentence
arrow up and down to select previous commands
alias : print alias list
alias [your command] [original command] : create an alias
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& : execute a command in background
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&& : execute next command if the previous command succeed
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|| : execute next command if the previous command failed
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| : redirection of previous command into the next command
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< : redirection of a file in actual command
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<< : redirection of user input into actual command
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> : redirection of command output into selectioned file
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>> : redirection of command output into end of selectioned file