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Unix

Unix
The seventh field of /etc/password is

shell
password
home
login
None of these

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Unix
Which command is used to extract specific columns from the file?

paste
grep
cat
cut

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Unix
The agency that sits between the user and the UNIX system is called the

profile
shell
erxc
logic

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Unix
Which of the following directories contain all the Alias created by a user, including his login directory?

/usr
/dev
/tmp
/etc

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

S
s
a
A

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Unix
Which of the following special shell variables is used to process number of the last background job?

$#
$0
$*
$!

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