Unix - Study Mode

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[#291] case can also use wildcards to pattern matching.

(A) True

(B) False

Correct Answer

(A) True

[#292] All the device files are stored in . . . . . . . .

(A) kernel

(B) /home/usr

(C) /dev

(D) /home

Correct Answer

(C) /dev

[#293] What will be the function of the following command? $ sed ‘s/ *|/|/g’ emp.lst

(A) replace * with |

(B) replace / with |

(C) compress multiple spaces

(D) erroneous output

Correct Answer

(C) compress multiple spaces

[#294] Which option is used by the system administrator for displaying processes of a user?

(A) -f

(B) -u

(C) -a

(D) -e

Correct Answer

(B) -u

[#295] The UNIX file system stores a date in physical blocks of

(A) 1024 bytes

(B) 2048 bytes

(C) 512 bytes

(D) 256 bytes

Correct Answer

(C) 512 bytes