831. How many class A, B and C network IDs can exist ?
A. 128
B. 126
C. 16382
D. 2113658

832. Which command will be used with vi editor to append text at end of line ?
A. A
B. a
C. i
D. I

833. Which of are following internal commands is used in mail to forward mail to user in user-list ?
A. r user-list
B. m user-list
C. d user-list
D. e user-list

834. How can you add Amit, a new user, to your system ?
A. Using useradd
B. Using adduser
C. Using linuxconf
D. All of the above

835. What layer of OSI determines the interface of the system with the user ?
A. Session
B. Data-link
C. Application
D. Network

836. Which program is used to schedule particular jobs or programs at particular times on the system ?
A. vi
B. Outlook
C. Scheduler
D. cron

837. In order to increase the amount of memory available for a system, what is the maximum size of a swap partition (with kernel version 2.2.x) ?
A. 2GB
B. 128MB
C. 64MB
D. 32MB

  1. Which of the following commands is used to save the output of the who command in a file named user.lst, as well as display it ?
  2. who | tee user.lst
  3. who > user.lst
  4. who >> user.lst
  5. who < user.lste

839. Which of the following set options is used with vi editor to ignore case while searching for patterns ?
A. ic
B. ai
C. sm
D. ts

840. Which of the following commands is used to count the total number of lines, words, and characters contained in a file ?
A. count p
B. wc
C. wcount
D. countw

NOTE
IF YOU THINK ANY OF THE MCQ ABOVE IS WRONG.
PLEASE COMMENT WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION IN COMMENT BOX.
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