Basic of linux unix

What command is used with vi editor to search a pattern in the forward direction ? A. ?? B. // C. ?D. /

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

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

Which command is used with vi editor to save file and remain in the editing mode ? A. :qB. :w C. q! D. ?

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

Which of the following commands is used to copy directory structures in and out________________? A. cpB. cpio C. cp – p D. copy

Which of the following commands is used to display the filenames in multiple columns ? A. ls B. ls -1C. ls -x D. lc

The octal representation 652 indicates_________________? A. Execute permission for the ownerB. Write permission for others C. Read and write permission of groups D. All of the above

Which is the earliest and most widely used shell that came with the UNIX system ? A. C shell B. Korn shellC. Bourne shell D. Smith shell

Which command is used with file named ‘note’ to remove the executable permission from the user and assign read permission to the group and others? A. chmod u-x, go+r note B. chmod go+r, u+x note C. chmod g-x, uo+r note D. chmod go+x, u-x note