VIP Exclusive
LFCS Certification VIP Practice Exam
LFCS Certification — The Linux Foundation Certified System Administrator (LFCS) exam is issued by the Linux Foundation and is a 2-hour, performance-based (hands-on terminal) exam covering essential commands, running systems operation, user/group management, networking, service configuration, and storage management.
31
Questions
120m
Time Limit
74.00%
To Pass
Question 1 of 31👑 VIP
A junior administrator reports that a critical log file at /var/log/app/service.log has grown to 48 GB and is filling the root filesystem. The application is currently running and cannot be restarted. Which command will truncate the file to zero bytes WITHOUT closing the file descriptor held by the running process?
Questions 2–31 and full explanations are VIP-exclusive.