LPI
010-100 · Question #93
010-100 Question #93: Real Exam Question with Answer & Explanation
The correct answer is D. tune2fs. tune2fs is the command used to modify tunable parameters of ext2/ext3/ext4 filesystems, including the maximum mount count before an automatic fsck check is triggered.
Question
Which command 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
tune2fs is the command used to modify tunable parameters of ext2/ext3/ext4 filesystems, including the maximum mount count before an automatic fsck check is triggered.
Common mistakes.
- A. debugfs is an interactive debugger for ext filesystems used to inspect or repair filesystem internals, not to adjust mount-count thresholds.
- B. dumpe2fs is a read-only tool that dumps superblock and block group information for an ext filesystem - it cannot modify any filesystem parameters.
- C. mode2fs is not a real Linux filesystem utility; this is a fictitious command included as a distractor.
- E. mke2fs creates a new ext filesystem on a device and cannot be used to modify parameters of an already existing filesystem.
Concept tested. tune2fs mount count parameter adjustment
Reference. https://man7.org/linux/man-pages/man8/tune2fs.8.html
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