Linux Questions & Answers – Linux Commands – 4

This set of Linux / Unix questions and answers is useful for campus and walk-in interviews as well as placements.

1. Write the command to display the current date in the form dd/mm/yyyy.
a) date +%d/%m/%Y
b) date +”%d/%m/%Y”
c) date +/%d/%m/20%y
d) date +”/%d/%m/20%y”
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2. The command syntax to display the file ‘sample.txt’ one page at a time is
a) man sample.txt>more
b) cat sample.txt<more
c) cat sample.txt|more
d) none of the mentioned
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3. Which one shows the name of the operating system?
a) uname -n
b) uname -r
c) uname -o
d) uname –m
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4. How do you add (append) a file “file1” to the example.tar file
a) no you cannot add a file to example.tar
b) tar -cvf example.tar file1
c) tar -rvf file1 example.tar
d) tar -evf file1 example.tar
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5. How to execute ls command inside a vi editor?
a) !ls
b) :ls
c) :!ls
d) we can’t execute
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6. Which command gives the first byte where the difference is in the file1 & file2?
a) diff
b) cmp
c) comm
d) ls -a
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7. To open a file file1 with cursor at line number 4
a) vi +num file1
b) vi +set num file1
c) vi + “set num” file1
d) vi +/se nu file1
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8. sed is a command typically used for
a) Perform complex calculations
b) Perform FIFO based non-blocking I/O
c) Modify/print selective contents of a file
d) None of the mentioned
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9. What communication command provides communication to another user logged on by writing to the bottom of their terminal?
a) talk
b) write
c) chat
d) transmit
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10. Which screen manipulation command sets the screen back to normal?
a) tput cup
b) tput smso
c) tput rmso
d) tput blink
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11. Which command will you use to see the available routes?
a) show route
b) route status
c) netstat -r
d) none of the mentioned
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Here’s the list of Best Books in Linux Commands & Shell Programming.
Here’s the list of Best Books in Linux Kernel, Device-Drivers & System Programming.

To practice all questions on Linux Administration & Programming, here is complete set of 1000+ Multiple Choice Questions and Answers on Linux.