Run cat /etc/sudoers.d/learners.
cat /etc/sudoers.d/learners
Read a simulated sudoers drop-in without granting power.
Permissions and userscatgrep
Click any instruction for the command details, the why, and the common mistake to avoid.
Run cat /etc/sudoers.d/learners.
cat /etc/sudoers.d/learners
Run grep NOPASSWD /etc/sudoers.d/learners.
grep NOPASSWD /etc/sudoers.d/learners
Run whoami.
whoami
Create a free account to sync completed lessons, XP, streaks, course status, and your next lesson across sessions.
Checking account status...
Progress sync is idle.
Progress sync stores completion IDs, scores, streaks, badges, and game settings. Terminal contents, editor snippets, lab scratch, email, and real names are never published on leaderboards or share cards.
Inspect a sudoers-style rule safely.
Search for NOPASSWD after reading the file.
Sudo rules are high-impact security controls.
cat <file>
Print text file contents.
grep [-i] <text> <file>
Find literal text inside a file.