GAQM LCP-001 Quiz 1 Topic 5 Questions 1-5

Question: 1

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?

Agrep a*^b*a myfile

Bgrep .a[^b].a myfile

Cgrep .[a].*.[a] myfile

Dgrep .a*^b..a myfile

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Question: 2

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

ADisplays a bash syntax error message.

BDisplays the contents of the file named $TEST if it exists.

CWaits for the user to enter text and then echos the text back.

DDisplays the contents of the file named inside the back quotes.

EDisplays the contents of the named by the environment variable TEST.

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Question: 3

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

Acat turkey.txt|wc -|

Bgrep -n [A-Z] turkey.txt

Ccat turkey.txt|wc -w [A-Z]

Dgrep -v [A-Z] < turkey.txt

Efor [A-Z] in turkey.txt | count

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Question: 4

You wish to kill a process with a PID of 123. Select the command which will allow the process to "clean up" before exiting.

Akill -1 123

Bkill -9 123

Ckill -15 123

Dkill -17 123

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Question: 5

What does the + symbol mean in the following grep regular expression: grep '^d[aei]\+d$' /usr/share/dict/words

AMatch the preceding character set ([aei]) one or more times.

BMatch the preceding character set ([aei]) zero or more times.

CMatch the preceding character set ([aei]) zero or one times.

DMatch a literal + symbol.

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GAQM LCP-001 Quiz:1 Topic:5 Questions:1-5