QUESTION 1

a) Differentiate between a standard user and a root user in Linux

b) Name any five duties of a system administration using Linux

c) What are the three different categories of command, support your answer by giving three examples?

d) Give three good reasons, with valid explanation, to justify why partitioning hard disk provides a variety of advantages

e) Explain the client/server architecture

QUESTION 2

a) Linux supports quite a few different file systems, both Linux native and those intended for other Operating Systems. Describe the following types of file system.

(i) Ext4fs

(ii) ReiserFS

(iii) JFS

(iv) NTFS

b) Linux-native file systems maintain three time stamps for every file. What are they?

c) What is the purpose of the "tar" utility?

d) The "cpio" utility has three operating modes. Name and give a brief description of each mode

QUESTION 3

a) Explain the following list of command lines

(i) ls -a

(ii) pwd

(iii) cat boot.log

(iv) PATH=$PATH:/usr/sbin:/sbin

(v) ls .g*

(vi) env > envoutput

(vii) env | more

b) Name the three categories of commands when dealing with administering processes and give any three examples of such commands

c) (i) Give the output of the command: # date 123123592002

(ii) Write the command to set the current date and time to 5:55:55 a.m. on May 5, 2055

QUESTION 4

a) What is the meaning and function of "sudo" in Linux?

b) Describe four sudo's features

c) Explain when a full backup can be used most effectively

d) What are the disadvantages of performing frequent full backups?

e) Describe any one related activity which refers to host-based security