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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Semester 1 Repeat Examinations 2011/
Module Title: System Administration 1
Module Code: COMP 7020
School: Mathematics & Computing
Programme Title: Bachelor of Science in Computing - Award Bachelor of Science (Honours) in IT Management Higher Certificate in Science in Computing in Information Technology Support – Year 2 Higher Certificate in science in Computing – Year 2
Programme Code: KCOMP_7_Y KITMN_8_Y KITSU_6_Y KCOME_6_Y
External Examiner(s): Ms. Ann Meagher Internal Examiner(s): Mr. Gerard Mac Sweeney
Instructions: Answer 4 questions. All questions are worth equal marks
Duration: 2 Hours
Sitting: Autumn 2011/
Requirements for this examination:
Note to Candidates: Please check the Programme Title and the Module Title to ensure that you have received the correct examination. If in doubt please contact an Invigilator.
(a) Name six typical system administration tasks. ( 6 Marks )
(b) What is the purpose of a UNIX / Linux shell? ( 2 Marks )
(c) How would a user find out his / her default shell? ( 2 Marks )
(d) Write down the name of the UNIX / Linux editor one would find on all UNIX and Linux distributions. ( 2 Marks )
(e) Why is the editor in (d) unpopular with many users? ( 2 Marks )
(f) Explain how an administrator might allow two users to copy from each other but prevents others from doing so. ( 3 Marks )
(g) Write an interactive shell script which creates a Linux account for a user. The script should prompt the user for a name, generate a password, provide a home directory and make the user a member of the group students. ( 8 Marks )
(a) With the aid of an appropriate diagram, describe the UNIX block addressing scheme. ( 8 Marks )
(b) What is the command to find a file’s i-node number? ( 2 Marks )
(c) What is the command to find a file’s block size? ( 2 Marks )
(d) What is the standard Linux file system? ( 2 Marks )
(e) Name two windows file systems. ( 2 Marks )
(f) Name two other methods of disk space allocation and write down an advantage and a disadvantage of each ( 6 Marks )
(g) If each block is 1k and can hold up to 256 addresses, calculate the largest file that could be accommodated. ( 3 Marks )
(a) What sort of information is held on a partition’s super block? ( 4 Marks )
(b) Write down four advantages of partitioning a disk. ( 4 Marks )
(c) What is the command line tool which can be used to partition a disk?( 1 Mark )
(d) Apart from creating a partition what other operations could the tool in (c) carry out? ( 3 Marks )
(e) In addition to the operating systems, what other partition might a dual-boot computer have? ( 2 Marks )
(f) What is the purpose of the partition in (e)? ( 2 Marks )
(g) Write down two examples of boot loaders? ( 2 Marks )
(h) Consider the following file listing:
lrwxrwxrwx 1 bill staff 11 Oct 8 12:42 myFile -> /etc/passwd
Explain the purpose of this file. ( 2 Marks )
(i) What does the 1 (second item in (h) above) mean? ( 2 Marks )
(j) What are the differences between hard and soft links? ( 3 Marks )
