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Unix

Unix
Which of the following commands is not the vi Input mode command?

rch
j
S
R
None of these

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Unix
Which of the following commands is used to absolutely assign all permissions to the owner, read and write permissions to the group and only executable permission to the others of the file note?

chmod 4=rwx, g=rw note
chmod 671 note
chmod 167 note
chmod 761 note

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

X
x
dd
None of these
D

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Unix
Which command is used with file named 'note' to remove the executable permission from the user and assign read permission to the group and others?

chmod u-x, go+r note
None of these
chmod go+r, u+x note
chmod g-x, uo+r note
chmod go+x, u-x note

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Unix
Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories?

None of these
rm -r *
rm all
rm *.*
rm *

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Unix
Which command is used to change directory to the name beginning with a 'p'?

cd p
cd p*
cd p*
cd [p]

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