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Linux Foundation Certified System Administrator (LFCS) - Linux Foundation Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
260 Total Questions
1
Question
In the vi editor, which of the following commands will copy the current line into the vi buffer?
Options
A 1c
B c
C yy
D 1y
E cc
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2
Question
What can the Logical Volume Manager (LVM) be used for? (Choose THREE correct answers.)
Select 3
Options
A To encrypt logical volumes.
B To create RAID 9 arrays.
C To create snapshots.
D To dynamically create or delete logical volumes.
E To dynamically change the size of logical volumes.
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3
Question
What is true regarding the file ~/.forward?
Options
A Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses.
B As it is owned by the MTA and not writable by the user, it must be edited using the editaliases command.
C When configured correctly, ~/.forward can be used to forward each incoming mail to more than one other recipient.
D After editing ~/.forward the user must run newaliases to make the mail server aware of the changes.
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4
Question
In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?
Options
A The cron daemon will refuse to start and report missing files in the system's logfile.
B Without additional configuration, no users may have user specific crontabs.
C When a user creates a user specific crontab the system administrator must approve it explicitly.
D Without additional configuration, all users may have user specific crontabs.
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5
Question
Which of the following commands changes the number of days before the ext3 filesystem on /dev/sda1 has to run through a full filesystem check while booting?
Options
A tune2fs -i 200 /dev/sda1
B tune2fs -d 200 /dev/sda1
C tune2fs -n 200 /dev/sda1
D tune2fs --days 200 /dev/sda1
E tune2fs -c 200 /dev/sda1
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