Unix - Computer Science Multiple Choice Questions and Answers

(6) In cat man 2>eman, 2>tells

[A] redirect the man to eman

[B] redirect the file with file descriptor 2 to eman

[C] redirect the content of man and 2 to eman

[D] None of the above

Answer: Option [D]

(7) csh

[A] is known as the C shell

[B] begins by executing commands from .cshrc

[C] invokes a shell command interpreter

[D] all of these above

Answer: Option [D]

(8) What command shows file system disk usage ?

[A] du

[B] df

[C] ls

[D] chkdsk

Answer: Option [A]

(9) Which of the following commands is used to monitor disk input and output on a UNIX system ?

[A] Sar

[B] iostat

[C] nfsstat

[D] vmstat

Answer: Option [B]

(10) Refer to the following example of sed

#sed -n ‘2, 5, p’ file1

What contents of the file1 will be selected and displayed ?

[A] only line 2 and 3 of the file1

[B] lines 2 through 5

[C] all lines except 2 and 5

[D] all lines except 2 through 5

Answer: Option [B]

Unix Multiple Choice Interview Questions and Answers | Page-2