Assignment 1 Specifications Section 1: Operating Systems: The Operating system acts as an interface between the user and the computer hardware. Discuss in detail the roles of the OS as a resource manager and as an extended machine on the following systems: Client, Server, and Mobile devices. Students may consider any of the OS for discussions, for instance Windows, Linux, iOS, MacOS, Android, etc. Further, the students must consider any five of the following features relevant to the systems for discussions. Support many devices simultaneously Allocate resource to different users Share resources among users fairly, efficiently, and safely Resolve conflict in resource demand Hides the implementation details Provide stable, portable, reliable, safe, well-behaved environment Manage memory, processor, file etc. Level of security it provides For instance, the students may opt the following to answer section 1. System Type OS for the system selected Features Client Windows Explain any 5 features and 3 marks each Server Linux Explain any 5 features and 3 marks each Mobile OS Android Explain any 5 features and 3 marks each Section 2: OS Administration using Command Line Interface (CLI) Refer to the man command to understand the syntax and parameters for the commands that you would be using in this section I. Demonstrate the following Unix/Linux commands in the lab to your tutor before week 6 and paste the screen shots of the execution in the same word file that has section 1 of the assignment. How do you know if a remote host is alive or not? How do you find which process is taking how much CPU? How do you check how much space is left in current drive? How do you find whether your system is 32 bit or 64 bit? In a file word UNIX is appearing many times. How will you count the number of these occurrences? II. Type in the following commands and discuss the outputs you get after execution of the commands. Also, paste the screen shots of the output obtained in the same word file used for above question and section 1 of the assignment. % cat /etc/hosts cat? % echo "Home Directory Is home" uppercase $HOME? % who | wc % who > logged.users %date "+%m/%d/%y" %date "+%Y%m%d" %date +'%-4.4h %2.1d %H:%M'
Subject Name: Computer Science
Level: Undergraduate
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