LFCS Question #780: Real Exam Question with Answer & Explanation

Question

Which of the following commands will allow an administrator to adjust the number of mounts after which an existing filesystem will be checked by e2fsck?

Options

• Adebugfs
• Bdumpe2fs
• Cmode2fs
• Dtune2fs
• Emke2fs

Explanation

The tune2fs command allows an administrator to adjust filesystem parameters, including the number of mounts before an e2fsck check.

Common mistakes.

• A. debugfs is an interactive filesystem debugger used for low-level examination and modification of filesystem structures, not for setting e2fsck check intervals.
• B. dumpe2fs displays information about an ext2/ext3/ext4 filesystem, including its current e2fsck settings, but it does not modify them.
• C. mode2fs is not a standard Linux command used for adjusting filesystem parameters.
• E. mke2fs is used to create a new ext2/ext3/ext4 filesystem and can set initial parameters, but it cannot modify parameters of an already existing filesystem.

Concept tested. Filesystem parameter tuning for e2fsck

Reference. https://man7.org/linux/man-pages/man8/tune2fs.8.html

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