programs = {
  bash = {
    interactiveShellInit = ''
      bind '"\e[A":history-search-backward'
      bind '"\e[B":history-search-forward'

      # Ignore duplicate commands, ignore commands starting with a space
      export HISTCONTROL=erasedups:ignorespace
      export HISTSIZE=42000
      # Append to the history instead of overwriting (good for multiple connections)
      shopt -s histappend

      # Utilities
      mkcd () { mkdir -p "$1"; cd "$1"; }
      fan () {
        if [ $# -gt 0 ]
        then sudo tee /proc/acpi/ibm/fan <<<"level $1"
        else grep '^\(level\|speed\):' /proc/acpi/ibm/fan
        fi
        acpi -t
      }
    '';
    shellAliases = {
      cl = "clear";
      grep = "grep --color";
      l  = "ls -alh";
      ll = "ls -al";
      ls = "ls --color=tty";
      mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";

      s="sudo systemctl";
      st="sudo systemctl status";
      u="systemctl --user";
      j="sudo journalctl -u";
      jb="sudo journalctl -b";

      nix-history="sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
      mv = "mv -i";
      sshfs = "sshfs -o ServerAliveInterval=15 -o reconnect -f";
    };
  };