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Unix

Unix
Which of the following keys is used to delete the character beneath the cursor?

x
X
None of these
D
dd

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Unix
Which command allows you to view your file 24 lines at a time?

None of these
cat
more
lp
pg

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Unix
Which command is used to display the characteristics of a process?

ps
pid
du
au

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Unix
Which option is used with rm command to make the command prompt the user with each filename and a ?, before acting on it

-r
None of these
#NAME?
-1

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

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

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Unix
Which command is used to set the three permissions for all the three categories of users of a file?

chusr
None of these
chmod
chgrp
chown

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