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Unix

Unix
Which command will be used with vi editor to insert text to left of cursor?

a
i
S
s

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Unix
The command to count the number of files in the current directory by using pipes, is

ls -l | wc -l
ls | wc
ls | ws -c
ls | wc -w

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Unix
Which option will be used with disk free command to include the total amount of disk space in the file system?

#NAME?
-4
None of these
#NAME?
#NAME?

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Unix
Which command is used to list all the files with extension .lst?

ls *[lst]
ls -l *.lst
ls *.*
ls lst*

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

sleep
mesg
halt
grep
None of these

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Unix
Which command is used to save the standard output in a file, as well as display it on the terminal?

grep
tee
cat
None of these
more

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