Linux Questions & Answers – Filesystem Overview

This set of Linux / Unix questions and answers focuses on basic understanding of Linux file systems and related commands for it.

1. Which command is used to check filesystem usage in a system?
a) mount
b) df
c) du
d) dd
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2. Which among the following allows fast file system recovery?
a) Ext2
b) Journaling
c) Caching
d) Sysfs
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3. Which filesystem can be used to change certain kernel parameters at runtime using sysctl command?
a) Ext3
b) Sysfs
c) Ext4
d) Procfs
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4. Filesystem for CDROM is:
a) Ext2
b) Ext3
c) Isofs
d) Procfs
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5. Which file system has journaling capability?
a) Ext2
b) Ext4
c) Isofs
d) Procfs
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6. Which file contains the filesystems to be automatically mounted during boot?
a) /etc/mount
b) /etc/fstab
c) /etc/inittab
d) /etc/boot
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7. ____ is a directory (which should exist), on which to mount the file system?
a) Root
b) Boot
c) Mount-point
d) Partition
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8. Which command is used to mount file system read only.
a) mount –a
b) mount –v
c) mount –f
d) mount –r
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