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Unix

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

a
s
S
A

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Unix
Which of the following commands is used to rename a file?

ren
rename
remove
mv

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Unix
Which of the following commands is used to assign executable permission to the owner of the file named "note"?

chmod u+x note
chmod ugo+x note
chmod u+w note
chmod g+x note

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

more
file
ls
cat

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Unix
The command chmod 761 note is equivalent to

chmod u=rwx, g=rw, o=x note
None of these
chmo a =761 note
chmod 167 note
chmod 4=7, g=6,0 =1 note

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Unix
Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files?

-r
-l
None of these
-d
-b

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