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Unix

Unix
Which of the following commands is used to identify the type of file by context?

ls
cat
file
more

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Unix
Which of the following commands is used to count the total number of lines, words, and characters contained in a file.

None of these
wcount
count p
wc
countw

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Unix
The command that can be used to restrict incoming messages to a user is

halt
None of these
sleep
grep
mesg

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Unix
Which of the following is not a communication command.

mail
grep
write
mesg

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Unix
Which option will be used with ps command to slow the entire command line of the process being run?

-2
-1
#NAME?
-4

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Unix
Which set option is used with vi editor to display line numbers on screen?

li
ic
nm
nu

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