Computer Science- Unix
Computer Science- Unix
31. Which option is used with rm command to make the command prompt the user with each filename and a ?, before acting on it
- -r
- -x
- -i
- -1
32. Which of the following directories contain all the Ales created by a user, including his login directory?
- /tmp
- /etc
- /usr
- /dev
33. Which of the following commands is used to obtain a list of all files by modification time?
- ls -1
- ls -t
- ls -i
- ls -R
34. The % key allows you
- to move the cursor to a matching delimiter, when a delimiters a parenthesis, a bracket, or a brace.
- to move the cursor to the upperleft corner of the screen
- to move the cursor backward to the beginning of a word
- to move the cursor to the first column in the current line
36. Which of the following commands is used to identify the type of file by context?
- ls
- cat
- file
- more
37. The filed separator in cut command is specified with
- -a option
- -d option
- -r option
- -x option
38. Which of the following options will be used to display number of blocks used by a file?
- -c
- -i
- -d
- -s
40. Which command is used to make all files and sub-directories in the directory (progs) executable by all users?
- chmod -R a+x progs
- chmod -R 222 progs
- chmod -1 a+x progs
- chmod -x a+x progs