bash-profile-and-history.md

History file

Whenever we close a terminal our recent commands are written to the ~/.bash_history file. Let’s a take a look at the beginning of this file:

$ head -n 5 ~/.bash_history

Configuration file

Your shell is configured using

~/.bashrc (Linux)

~/.bash_profile (Mac - but Mac will also have a bashrc)

These scripts are run every time you start a new shell. It is common to add echo statements to these files to get used to this idea.

Aliases

Aliases are like macros. If you often find yourself executing a certain command with the same parameters (or a part of it), you can define an alias for this. Aliases are also very useful when you continue to misspell a certain command (see https://github.com/chrishwiggins/mise/blob/master/sh/aliases-public.sh for a long list of useful aliases).

The following command defines such an alias:

$ alias moer=more

Useful aliases

$ alias ls='ls -aGl'

alias exut='exit'
alias eixt='exit'
alias exot='exit'
alias ext='exit'
alias eit='exit'
alias q='exit'

alias c='clear'
alias cls='clear && ls'
alias ctree='clear && tree'

alias bashrc='vim ~/git/dotfiles/.bashrc'

alias gs='git status'
alias ga='git add -u'
alias gc='git commit -m '
alias gp='git push origin '
alias gls='clear && git status'