Unix Multiple Choice Interview Questions and Answers | Page-5

(21) Which of the following commands can be used to change to any of the system run-levels ?

[A] Init

[B] Reboot

[C] Power-off

[D] Halt

Answer: Option [A]

(22) The father of all processes is:

[A] sh

[B] init

[C] root

[D] sched

Answer: Option [B]

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(23) The field separator in cut command is specified with

[A] -r option

[B] -x option

[C] -a option

[D] -d option

Answer: Option [D]

(24) Which of the following operations are not carried out by kernel ?

[A] Management of files on the disk

[B] Carrying out data transfer file system and hardware

[C] Handling of any interrupts that are issued

[D] Acting as an interpreter between hardware and applications

Answer: Option [A]

(25) Assume output of date command is ‘wed sep 26 12:28:05 PST 1999’. The command to get output as date and time : wed sep 26 12:28:05 PST 1999 is

[A] echo “Date and Time : $ date”

[B] echo “Date & Time ‘date’”

[C] echo “Date and Time ‘date’”

[D] none of these

Answer: Option [C]

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