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Unix

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

None of these
X
dd
x
D

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Unix
While working with mail command, which command is used to save mail in a separate file?

d
s
r
w

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Unix
The first set of the three permissions (rw) pertains to the owner of the file, indicating that the owner has

both read and write permissions
both read and executable permissions.
None of these
executable permission only
write and executable permissions

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Unix
Which command is used to sort the lines of data in a file in reverse order

sort
st
sort -r
sh

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Unix
Major expressions used with find command to select file is it has been accessed in more than 375 days, is

#NAME?
#NAME?
#NAME?
#NAME?
None of these

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

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

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