CENP 3204 System Configuration and Programming Examen 2024

Extrait du sujet

1. Let there be a dictionary containing the following words: culture, coltech, polytechnic, techniques, future, agriculture, apiculture, urea, hour, hourly. a) Write a regular expression to select all the words having “tech” but not beginning with “tech”. (10 mks) b) Write a regular expression to select all the words having “ur” but containing at least 2 characters before “u”. (10 mks)

2. a.

   For each of the following system calls, give their purpose: (10 mks) nftw, open, umask, creat, link b) For each of the following Linux commands, give their purpose and an example: (10 mks) pwd, ln, ls, chgrp, deluser