Linux Multiple Choice Questions(MCQs)& Answers

  3. linux-multiple-choice-questions-with-answers-7
Questions
121 What does chmod +t do?
A wrong syntax
B set effective userid for filename
C set effective groupid for filename
D set the sticky bit

Answer: Option [D]
122 Which of the following umask settings doesn’t allow execute permission to be set by default on directory files
A 222
B 111
C 000
D 444

Answer: Option [C]
123 Which of the following umask settings allow execute permission to be set by default on regular files
A 222
B 111
C 000
D None of the given choices

Answer: Option [D]
124 The command chmod 4777 a.out
A will set the suid bit of a.out
B will set the suid bit of a.out only if the command is issued by root
C is not a valid command
D will set the sticky bit of a.out

Answer: Option [A]
125 Which command is used to check filesystem usage in a system?
A mount
B df
C du
D dd

Answer: Option [B]
126 Which among the following allows fast file system recovery?
A Ext2
B Journaling
C Caching
D Sysfs

Answer: Option [B]
127 Which filesystem can be used to change certain kernel parameters at runtime using sysctl command?
A Ext3
B Sysfs
C Ext4
D Procfs

Answer: Option [D]
128 Filesystem for CDROM is:
A Ext2
B Ext3
C Isofs
D Procfs

Answer: Option [C]
129 Which file system has journaling capability?
A Ext2
B Ext4
C Isofs
D Procfs

Answer: Option [B]
130 Which file contains the filesystems to be automatically mounted during boot?
A /etc/mount
B /etc/fstab
C /etc/inittab
D /etc/boot

Answer: Option [B]
131 ____ is a directory (which should exist), on which to mount the file system?
A Root
B Boot
C Mount-point
D Partition

Answer: Option [C]
132 Which command is used to mount file system read only.
A mount –a
B mount –v
C mount –f
D mount –r

Answer: Option [D]
133 Which of the following is not a valid run-level
A 5
B 0
C 8
D 1

Answer: Option [C]
134 On Linux, initrd is a file
A containing root file-system required during bootup
B Contains only scripts to be executed during bootup
C Contains root-file system and drivers required to be preloaded during bootup
D None of the above

Answer: Option [C]
135 Which is loaded into memory when system is booted?
A Kernel
B Shell
C Commands
D Script

Answer: Option [A]
136 The process of starting up a computer is known as
A Boot Loading
B Boot Record
C Boot Strapping
D Booting

Answer: Option [C]
137 Bootstrapping is also known as
A Quick boot
B Cold boot
C Hot boot
D Fast boot

Answer: Option [B]
138 The shell used for Single user mode shell is:
A bash
B Csh
C ksh
D sh

Answer: Option [D]
139 Single user mode shell runs as
A Admin user
B Root user
C normal user
D Log user

Answer: Option [B]
140 Which is the only partition mounted in Single user mode
A boot
B usr
C root
D tmp

Answer: Option [D]
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