Linux Shell and Terminal

Define persistent command shortcuts directly in ~/.bashrc and source them into your shell session.

Convert an EPUB ebook to PDF with Calibre's ebook-convert command, including a denser textbook-style layout.

Convert an .m4b file to .mp3 with ffmpeg, keeping metadata and removing the video stream.

Common Bash and readline shortcuts for deleting, undoing, and moving through command-line text.

Why a bare script name fails with "command not found" and how to run a file with an explicit path like ./my-script.sh.

Keyboard driven terminal tool for managing multiple contexts in parallel. Daily routine for sessions, windows, and panes.