Creating dad jokes in the form of Bash code sounds like a fun challenge! Here are three geeky dad jokes written as Bash scripts:

1. The Missing File JokebashCopy code#!/bin/bash file="my_sense_of_humor.txt" if [ ! -f "$file" ]; then echo "I'd tell you a filesystem joke, but it seems you can't handle my type of humor." else cat "$file" fi
2. The Permission Denied JokebashCopy code#!/bin/bash echo "Knock knock." read -p "Who's there? " response echo "sudo who?" sudo echo "Sorry, I can't let you in without proper permissions."
3. The Infinite Loop JokebashCopy code#!/bin/bash while true; do echo "How many Bash programmers does it take to change a light bulb?" read -p "How many? " response echo "None. It's a hardware problem." done

These scripts playfully incorporate common Bash scripting concepts like file checks, user permissions, and loops, all while delivering a pun or joke that IT professionals and programming enthusiasts would appreciate!