Linux Systems Interview Preparation Guide

Linux Systems frequently Asked Questions by expert members with experience in Linux OS Systems. These questions and answers will help you strengthen your technical skills, prepare for the new job test and quickly revise the concepts

21 Linux OS Systems Questions and Answers:

1 :: Tell me which file system has journaling capability?
a) Ext2
b) Ext4
c) Isofs
d) Procfs

b) Ext4

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2 :: Which filesystem for CDROM is:
a) Ext2
b) Ext3
c) Isofs
d) Procfs

c) Isofs

3 :: Tell me which filesystem can be used to change certain kernel parameters at runtime using sysctl command?
a) Ext3
b) Sysfs
c) Ext4
d) Procfs

d) Procfs

4 :: Tell me which command is used to check filesystem usage in a system?
a) mount
b) df
c) du
d) dd

b) df

5 :: Explain ____ is a directory (which should exist), on which to mount the file system?
a) Root
b) Boot
c) Mount-point
d) Partition

c) Mount-point

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6 :: Tell me which file contains the filesystems to be automatically mounted during boot?
a) /etc/mount
b) /etc/fstab
c) /etc/inittab
d) /etc/boot

b) /etc/fstab

7 :: Tell me which among the following allows fast file system recovery?
a) Ext2
b) Journaling
c) Caching
d) Sysfs

b) Journaling

8 :: Monolithic kernel:
a) is highly extensiblity
b) has less run time overhead
c) smaller than micro level
d) Suitable for real time system

b) has less run time overhead

9 :: Pick the run level to run Linux in multi user mode with networking?
a) 0
b) 3
c) 5
d) 6

b) 3

10 :: Tell me which command is used to mount file system read only.
a) mount -a
b) mount -v
c) mount -f
d) mount -r

d) mount -r

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