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Unix

Unix
Which command is used to count just the number of characters in a file?

wc -w
wc -r
wc -c
wc - 1

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Unix
Which of the following commands can be used to get information about all users who are currently logged into the system?

who
1 /u
None of these
who am i
which

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Unix
Which command will be used with vi editor to append text at end of line?

I
A
None of these
i
a

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Unix
The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:

555
755
744

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Unix
Which command will be used with vi editor to replace single character under cursor with any number of characters?

s
A
a
S

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Unix
Which command is used to display a file contents in octal form?

od
cd
oct
of

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