CLI Intensive and Capstone

Build fast, accurate terminal navigation habits so common filesystem work becomes fluent without sacrificing correctness.

Build fast, reliable pipeline habits for filtering, extracting, and counting text without losing track of what each stage does.

Use concise one-line commands for safe operational work while preserving dry-run habits, verification, and reversibility.

Use the command line to build, secure, verify, and document a small operating-system administration environment from a clean starting point.

Practice stdout, stderr, redirection, and pipes using safe local files and simple command output.

Use grep to find matching lines, ignore noise, and search recursively through realistic text samples.

Use awk to extract columns, change delimiters, and format structured text into clearer output.

Use sed to preview replacements, save safe in-place edits, and delete matching lines in a practice file.