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Question No.71

In the vi editor, how can commands such as moving the cursor or copying lines into the buffer be issued multiple times or applied to multiple rows?

1. By using the command :repeat followed by the number and the command.

2. By specifying the number right in front of a command such as 4l or 2yj.

3. By selecting all affected lines using the shift and cursor keys before applying the command.

4. By issuing a command such as :set repetition=4 which repeats every subsequentcommand 4 times.

Correct Answer: B

Question No.72

When starting a program with the nice command without any additional parameters, which nice level is set for the resulting process?

A.	-10
B.	0
C.	10
D.	20

Correct Answer: C

Question No.73

In the vi editor, which of the following commands will copy the current line into the vi buffer?

1. c

2. cc

3. 1c

4. yy

5. 1y

Correct Answer: D

Question No.74

Which of the following commands prints a list of usernames (first column) and their primary group (fourth column) from the /etc/passwd file?

1. fmt -f 1,4 /etc/passwd

2. split -c 1,4 /etc/passwd

3. cut -d : -f 1,4 /etc/passwd

4. paste -f 1,4 /etc/passwd

Correct Answer: C

Question No.75

The /etc/ file lists currently mounted devices.

Correct Answer: mtab

Question No.76

A user accidentally created the subdirectory \dir in his home directory. Which of the following commands will remove that directory?

1. rmdir #39;~/\dir#39;

2. rmdir quot;~/\dirquot;

3. rmdir ~/#39;dir#39;

4. rmdir ~/\dir

5. rmdir ~/\\dir

Correct Answer: E

Question No.77

Which shell command is used to continue background execution of a suspended command?

1. amp;

2. bg

3. cont

4. exec

5. :amp;

Correct Answer: B

Question No.78

Which command displays a list of all background tasks running in the current shell? (Specify ONLY the command without any path or parameters.)

Correct Answer: jobs

Question No.79

Which of the following shell redirections will write standard output and standard error output to a file named filename?

1. 2gt;amp;1 gt;filename

2. gt;filename 2gt;amp;1

3. 1gt;amp;2gt;filename

4. gt;gt;filename

5. 1amp;2gt;filename

Correct Answer: B

Question No.80

What does the ? symbol within regular expressions represent?

1. Match the preceding qualifier one or more times.

2. Match the preceding qualifier zero or more times.

3. Match the preceding qualifier zero or one times.

4. Match a literal ?character.

Correct Answer: C

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