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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?

s
a
A
S

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Unix
The command used to remove the directory is;

rdir
remove
rd
None of these
rmdir

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Unix
Which command will be used with vi editor to insert text to left of cursor?

i
a
S
s

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Unix
Which of the following commands is used to display the directory attributes rather than its contents?

ls -l
ls -l -d
ls -x
ls -F

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Unix
Which shell's wild-cards is used to match a single character?

[ijk]
?
[!ijk]
*
None of these

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Unix
Which option will be used with sort command to start sorting ofter the nth column of the (m+l)th field?

+(m+l).n
kill
#NAME?
None of these

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