Phase 2 / 11 · Trips 16–27
Text Processing and CLI Productivity
Process structured and unstructured text efficiently.
Walkthroughs planned
Before this phase: Linux CLI Fundamentals — checkpoint
- Trip 16Need to sort command outputUse sort and uniq →
- Trip 17Need to count files and linesUse wc →
- Trip 18Need to extract columnsUse cut and awk →
- Trip 19Need to modify textUse sed →
- Trip 20Need to compare filesUse diff →
- Trip 21Need to inspect JSONUse jq →
- Trip 22Need to inspect YAMLUse yq →
- Trip 23Need to edit configuration filesUse vim or nano →
- Trip 24Need to reuse previous commandsUse shell history and reverse search →
- Trip 25Need to run repeated commandsUse xargs and safe command substitution →
- Trip 26Need to control command outputCombine filters, pipes, and redirects →
- Trip 27Need to manage environment variablesUse export, env, and printenv →
Checkpoint · Phase 2
Extract specific information from JSON and YAML configuration files using CLI commands.
Mark this checkpoint when you can achieve the outcome independently.
Not yet achieved