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Unix

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

S
j
None of these
rch
R

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Unix
Which option will be used with ps command to slow the entire command line of the process being run?

-4
#NAME?
-2
-1

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

x
None of these
X
dd
D

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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?

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

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Unix
If a file has read and write permissions for the owner, then the octal representation of the permissions will be

None of these
6
3
1
5

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Unix
The second set of the three permissions (r-) indicates that

group has read permission only
group has write permission only
other has read permission only
owner has read permission only

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