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Unix

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

a
None of these
A
i
I

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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 command will be used with vi editor to replace text from cursor to right?

r
C
c
R

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Unix
The octal representation 652 indicates

All of these
None of these
Read and write permission of groups
Execute permission for the owner
Write permission for others

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Unix
Which symbol will be used with grep command to match the pattern pat at the beginning of a line?

pat^
$pat
^pat
pat$

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

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

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