UNIX/Linux Programming Answers

Write a Linux shell script to perform the following tasks:

a. Display current date and time
b. Display current working directory
c. To check whether a sample file is a directory
d. Display details of all files/directories in current working directory
e. To check whether a sample file is readable, writable, and executable.

Objectives
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¨ Understand data representation
¤ number system: decimal and hex
¤ text and binary data
¨ Learn to use printf
Requirements
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¨ Title: my_student_id
¨ Requirements
¤ Implement a program to print out your student id in
various format
¤ Usage: my_student_id
Sample Output
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¨ Let’s say your student id is 12345js
$ my_student_id
decimal = 49 hex = 31 char = 1
decimal = 50 hex = 32 char = 2
decimal = 51 hex = 33 char = 3
decimal = 52 hex = 34 char = 4
decimal = 53 hex = 35 char = 5
decimal = 106 hex = 6a char = j
decimal = 115 hex = 73 char = s
Deliverables
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¨ Deliverables
¤ Source code
¤ Test log
n A screen dump of your testing

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