LCP-001 Certification Exam Questions with AI Explanations

QUESTION: 49

What is the disadvantage of using the command kill -9 ?

A core dump file will be created.
It affects the entire process group.
It makes excessive use of system resources.
The action can be blocked by buggy or malicious processes.
The affected process is unable to clean up before exiting.

Answer(s): E

To prevent a command run as root from sending both standard out (stdout) and standard error (stderr) to any terminal or other file or device, which of the following strings should be appended to the command?

>/dev/null
>/dev/null 1>&2
>/dev/null 2>&1
1>&2 >/dev/null
2>&1 >/dev/null

Answer(s): C

Reveal Solution Next Question

QUESTION: 51

You want to search the file myfile for all occurances of string containing at least five characters, where character number 2 and 5 are 'a' and character number 3 is NOT 'b'.
Which command would you use?

grep a*^b*a myfile
grep .a[^b].a myfile
grep .[a].*.[a] myfile
grep .a*^b..a myfile

Answer(s): B

Reveal Solution Next Question

QUESTION: 52

What does the following command do? cat '$TEST'

Displays a bash syntax error message.
Displays the contents of the file named $TEST if it exists.
Waits for the user to enter text and then echos the text back.
Displays the contents of the file named inside the back quotes.
Displays the contents of the named by the environment variable TEST.

Answer(s): B

Reveal Solution Next Question

QUESTION: 53

You want to the command foo to take its input from the file foobar and send its output to the program bar.
Which of the following command lines will do this?

foo < foobar | bar
foo < foobar > bar
foo | foobar > bar
foo | bar < foobar
foo > bar < foobar

Answer(s): A

Reveal Solution Next Question

QUESTION: 54

Which of the following commands would display the lines containing capital letters form the file "turkey.txt"?

cat turkey.txt|wc -|
grep -n [A-Z] turkey.txt
cat turkey.txt|wc -w [A-Z]
grep -v [A-Z] < turkey.txt
for [A-Z] in turkey.txt | count

Answer(s): B

Reveal Solution Next Question

QUESTION: 55

In Bash, inserting "1>&2" after a command redirects

standard error to standard input
standard input to standard error
standard output to standard error
standard error to standard output
standard output to standard input

Answer(s): C

Reveal Solution Next Question

QUESTION: 56

Identify the proper device for the third partition, on the second hard disk, on the first IDE controller on a PC system.

/dev/hdb3
/dev/hd1b3
/dev/hdc1b3
/dev/hdc1d2p3

Answer(s): A

Explanation:

Harddisk Recognization Primary Master /dev/hda Primary Slave /dev/hdb Secondary Master /dev/hdc Secondary Slave /dev/hdd According To question, Device name is /dev/hdb and paratition number is 3. /dev/hdb3

Reveal Solution Next Question

GAQM Linux Certified Professional (LCP) Powered by LPI LCP-001 Dumps in PDF

Free GAQM LCP-001 Real Questions (page: 17)

QUESTION: 49

QUESTION: 50

QUESTION: 51

QUESTION: 52

QUESTION: 53

QUESTION: 54

QUESTION: 55

QUESTION: 56

Explanation: