31. Which option is used with rm command to make the command prompt the user with each filename and a ?, before acting on it
A. -r
B. -x
C. -i
D. -1
E. None of the above
32. Which of the following directories contain all the Alias created by a user, including his login directory?
A. /tmp
B. /etc
C. /usr
D. /dev
E. None of the above
33. Which of the following commands is used to obtain a list of all files by modification time?
A. ls -1
B. ls -t
C. ls -i
D. ls -R
E. None of the above
34. The % key allows you
A. to move the cursor to a matching delimiter, when a delimiters a parenthesis, a bracket, or a brace.
B. to move the cursor to the upperleft corner of the screen
C. to move the cursor backward to the beginning of a word
D. to move the cursor to the first column in the current line
E. None of the above
35. Which command is used to display the characteristics of a process?
A. pid
B. du
C. ps
D. au
E. None of the above