Unix Multiple Choice Interview Questions and Answers | Page-2

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 ā€˜2, 5, pā€™ 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]