36. 

Which of the following commands is used to identify the type of file by context?

A. ls
B. cat
C. file
D. more
E. None of the above

37. 

The field separator in cut command is specified with

A. -a option
B. -d option
C. -r option
D. -x option
E. None of the above

38. 

Which of the following options will be used to display number of blocks used by a file?

A. -c
B. -i
C. -d
D. -s
E. None of the above

39. 

Which option will be used with touch command to change the access time?

A. -a
B. -b
C. -t
D. -h
E. None of the above

40. 

Which command is used to make all files and sub-directories in the directory (progs) executable by all users?

A. chmod -R a+x progs
B. chmod -R 222 progs
C. chmod -1 a+x progs
D. chmod -x a+x progs
E. None of the above