Bash aliases are incredibly useful to reduce the amount of typing and memorisation of long or repetitive commands.
Some that I have set are:
ga=git add -A gc=git commit -m $* gp=git push origin $* gs=git status
I've also come across a good list here:
That being said, I'm also curious about what aliases does everyone use often, are their favourites or find intuitive for them? 😄