26. What command is used to count the number of files in the current directory by using pipes?

A. ls | ws – c
B. ls | wc – w
C. ls | wc – l
D. ls | wc
E. None of the above

27. What command is used to count just the number of characters in a file?

A. wc – r
B. wc – w
C. wc – c
D. wc – 1
E. None of the above

28. How many class A, B and C network IDs can exist?

A. 128
B. 126
C. 16,382
D. 2,113,658
E. None of the above

29. LILO

A. stands for Linux loader
B. is the Linux boot loader
C. is a tool used to boot the Kernel on x86 hardware
D. All of the above
E. None of the above

30. How can you rebuild the RPM file to include the new patches?

A. – – recompile
B. – – rebuild
C. – – generate
D. – – execute
E. None of the above