UNIX QUIZ

The UNIX file system stores a date in physical blocks of

256 bytes

2048 bytes

None of these

1024 bytes

512 bytes

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following commands is used to have a two-way communication with any person who is currently logged in?

None of these

grep

mesg

mail

write

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following commands is used to display the filenames in multiple columns?

ls

lc

ls -1

ls -x

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a communication command.

mail

write

mesg

grep

TRUE ANSWER : ?
YOUR ANSWER : ?

Which operator will be used with chmod command to assign absolute permission?

=

-

+

None of these

%

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file?

ls ~ x

ls -l

ls -F -x

Ip

TRUE ANSWER : ?
YOUR ANSWER : ?

Which command is used with vi editor to move the cursor to the left?

k

j

h

i

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following command is used to count just the number of lines contained in a file?

wc -l

wc -c

wc -r

None of these

wc -w

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following keys is used to move the cursor to the end of the paragraph.

{

(

}

)

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following commands is used to obtain a list of all files by modification time?

ls -1

ls -i

ls -t

ls -R

TRUE ANSWER : ?
YOUR ANSWER : ?

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