Unix ops lab

Text and logs

Read files, search logs, and use safe text pipelines.

0/25 lessons 0/7 missions

Open text, search logs, and inspect output without editing files.

Search literal text in logs and practice case-insensitive matching.

Inspect access, error, auth, and service logs in a cautious order.

Use safe simulated pipes to count, sort, and deduplicate text output.

Command coverage

Commands you will practice here.

echo <text>

Print text or write safe lab notes with >.

cat <file>

Print text file contents.

head|tail [-n N] <file>

Read the beginning or end of a file.

grep [-i] <text> <file>

Find literal text inside a file.

wc [-l] <file>

Count lines, words, and characters.

sort|uniq

Practice simple text pipelines.

stat <path>

Show fake file details.

journalctl -u <service>

Read fake service journal entries.