Bash history autocomplete galore

Add the following lines to the end of .bashrc

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# make bash autocomplete with up/down arrow
bind '"\e[A":history-search-backward'
bind '"\e[B":history-search-forward'

# make tab cycle through commands instead of listing
bind '"\t":menu-complete'

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Now by pressing arrow up/down bash will autocomplete based on your command line history, while pressing TAB will cycle through commands, directories and files names.