Learning Linux — IV: Permissions, Processes & Disk Usage
15 more essential commands — grep, chmod, chown, ps, top, kill, df, du, tar, curl, ssh, scp, alias, history, ln — with real examples.
From proofs to pipelines: penning down what's worth remembering.
August 2026
15 more essential commands — grep, chmod, chown, ps, top, kill, df, du, tar, curl, ssh, scp, alias, history, ln — with real examples.
15 essential commands for moving around and working with files — pwd, ls, cd, mkdir, cp, mv, rm, cat, head, tail, find, and more — with real examples.
A plain, example-driven walkthrough of what /etc, /var, /opt, /bin, /usr and the rest actually hold — and why they're split up the way they are.
A practical walkthrough of manual disk partitioning — fresh single-OS installs, dual-boot alongside Windows, and the BitLocker snag that actually stopped me mid-install.