Fish is not recognizing the abbr command.fish: Unknown command abbrabbr: command not foundIn all other ways fish is behaving normally.The Fish documentation doesn't give any clues as to why this might happen.Stack: EC2 Ubuntu machine, fish version 2.0.0.
fish: Unknown command abbr
fish
abbr was not in 2.0.0 - it was only added in 2.2.0, so that's why it isn't working!You can install the latest available packages (currently 2.2.0, soon to be 2.3.0) from the fish-shell Ubuntu PPA.