MCQ Tutorial - Linux->Command

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231.) Which command is used to perform backup in unix?

Options are:

A.) cpio

B.) gzip

C.) backup

D.) zip

232.) Which of the following command output contains userid?

Options are:

A.) ls –l

B.) date

C.) ls

D.) help

233.) What is FNR?

Options are:

A.) FNR is the number of fields in the current input record

B.) none of the options

C.) FNR is the current record number in the current file

D.) FNR is an array contains the value of environment

234.) The dmesg command

Options are:

A.) Shows user login logoff attempts

B.) Shows the daemon log messages

C.) Kernel log messages

D.) Shows the syslog file for info messages

235.) What is the meaning of $ sign in awk programming?

Options are:

A.) We are refering to a field or column in the current line

B.) None of the options

C.) The word following is the name of variable

D.) $ sign is used for comment

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