If you write a lot of shell scripts, using a linter like Shellcheck is an amazing experience. You'll avoid embarrassing mistakes, write more idiomatic Bash/sh, and learn the ins and outs of your shell's features much faster. Best of all, shellcheck is free software and easily integrates into your favorite text editor. If you still need to learn the basics of Linux before mastering Bash, I've created a free Linux Sysadmin Course Playlist: My step-by-step project-based Linux course for beginners: DigitalOcean referral link: Patreon: Official Site & e-mail list: Twitter: Facebook: Podcast: