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Operating Systems (WS2122)

The main task of an operating system is the controlling, management and distribution of resources of a computer system to the users. Resources are CPUs, main memory, files, input/output devices, network services, and in general all resources, which are connected to the computer system. In addition, an operating system provides the user interface for controlling the system as well as protection mechanisms, tools, libraries and development tools. The objective of this course is to discuss the concepts, which are implemented by classic and modern operating systems. The course (lectures, exercises and exam) is held in English language. All slide sets and exercise sheets are available in English and in German language. The content of the English and German slide sets and exercise sheets is identical. The exercise sessions in WS2122 are supervised in collaboration with Anton Rösler and Henry Cocos. The slide sets are the basis for the second edition of the German-language book Betriebssysteme kompakt, which was published in June 2020 by Springer Vieweg. ISBN: 978-3-662-61410-5 Also, a bilingual (English-German) edition exists - Operating Systems / Betriebssysteme, which was published in May 2020 by Springer Vieweg. ISBN: 978-3-658-29784-8 Questions and answers concerning the Operating Systems course in WS2122 (is updated over the semester!) This page is outdated! Updated and improved lecture materials can be found on the web page of the course Operating Systems in winter term 2022/2023.

Schedule of the Course

• Exercise session 1 with Christian Baun takes place on Tuesday between 08:30-10:00 as Zoom video conference
• Exercise session 2 with Christian Baun and Anton Rösler takes place on Thursday between 10:00-11:30 as zoom video conference
• Exercise session 3 with Christian Baun and Anton Rösler takes place on Thursday between 11:45-13:15 as zoom video conference
• Exercise session 4 with Christian Baun and Anton Rösler takes place on Thursday between 14:15-15:45 as Zoom video conference
• Exercise session 5 with Henry Cocos takes place on Tuesday between 16:00-17:30 as Zoom video conference
• Exercise session 6 with Henry Cocos takes place on Wednesday between 11:45-13:15 as Zoom video conference

Date	Time	Room	Event	Topics
19.10.2021	14:15-15:45	4-8	Lecture	Discussion of slide set 1 (slides 1-24) + slide set 2 (slides 1-15)
26.10.2021	14:15-15:45	4-8	Lecture	Discussion of slide set 2 (slides 16-28) + slide set 3 (slides 1-19)
02.11.2021	14:15-15:45	4-8	Lecture	Discussion of slide set 3 (slides 20-33) + slide set 4 (slides 1-18)
09.11.2021	14:15-15:45	4-8	Lecture	Discussion of slide set 4 (slides 19-31) + slide set 5 (slides 1-18)
16.11.2021	14:15-15:45	4-8	Lecture	Discussion of slide set 5 (slides 19-40)
23.11.2021	14:15-15:45	4-8	Lecture	Discussion of slide set 5 (slides 41-42) + slide set 6 (slides 1-20)
30.11.2021	14:15-15:45	4-8	Lecture	Discussion of slide set 6 (slides 21-47)
07.12.2021	14:15-15:45	4-8	Lecture	Discussion of slide set 7 (slides 1-30)
14.12.2021	14:15-15:45	4-8	Lecture	Discussion of slide set 7 (slides 31-49) + slide set 8 (slides 1-7)
21.12.2021				Christmas break
28.12.2020				Christmas break
04.01.2022				Christmas break
11.01.2022	14:15-15:45	Zoom	Lecture	Recording () Discussion of slide set 8 (slides 8-37) + slide set 9 (slides 1-13)
18.01.2022	14:15-15:45	Zoom	Lecture	RIOT OS (Slides)
25.01.2022	14:15-15:45	Zoom	Lecture	Recording () Discussion of slide set 9 (slides 14-39)
01.02.2022	14:15-15:45	Zoom	Lecture	Recording () Discussion of slide set 9 (slides 40-76)
08.02.2022	14:15-15:45	Zoom	Lecture	Recording () Discussion of slide set 10
15.02.2022	14:15-15:45	Zoom	Lecture	Q&A session
25.02.2022	11:00-12:30	Hall 11	Exam	The exam covers the slide sets 1-9 and exercise sheets 1-9
17.05.2022	???	???	Exam	The exam covers the slide sets 1-9 and exercise sheets 1-9

Slide Sets

	Slide sets		Topics
Slide set 1			Organizational information, literature, generations of computer systems and operating systems
Slide set 2			Classifications, singletasking, multitasking, single-user, multi-user, kernel architectures
Slide set 3			Von Neumann architecture, hardware components of a computers, CPU, computer data storage, memory hierarchy, write policies
Slide set 4			Hard Disk Drives (HDD), Solid State Drives (SDD), Redundant Array of Independent Disks (RAID)
Slide set 5			Memory management, real mode, protected Mode and virtual memory
Slide set 6			Files, file systems, directories, block addressing, journaling, extents, defragmentation
Slide set 7			Processes, process context, process state diagrams, process creation, process replacement, system calls
Slide set 8			Interrupts, dispatcher, scheduling methods
Guest lecture			RIOT OS
Slide set 9			Interprocess communication, synchronization of processes, communication between processes, cooperation of processes
			Shared Memory Example (System V)
			Shared Memory Example (POSIX)
			Message Queue Example (System V)
			Message Queue Example (POSIX)
			Anonymous Pipe Example
			Named Pipe Example
			TCP-Socket Example (Server)
			TCP-Socket Example (Client)
			UDP-Socket Example (Server)
			UDP-Socket Example (Client)
			Semaphore Example (System V)
			Named Semaphore Example (POSIX)
Slide set 10			Emulation, virtualization

Exercise Sheets

	Exercise sheets		Topics	Solutions
Exercise sheet 1			Topics of slide set 1
Exercise sheet 2			Topics of slide set 2
Exercise sheet 3			Topics of slide set 3
Exercise sheet 4			Topics of slide set 4
Exercise sheet 5			Topics of slide set 5
Exercise sheet 6			Topics of slide set 6
Exercise sheet 7			Topics of slide set 7
Exercise sheet 8			Topics of slide set 8
Exercise sheet 9			Topics of slide set 9
Exercise sheet 10			Topics of slide set 10

German-language Documentation about Linux System Administration and Shell Programming

This documentation is not sufficient to solve all practical exercises of the exercise sheets, but it may assist you with your first steps in Linux system administration and shell programming. The documentation itself is not relevant for the exam but the practical exercises of the exercise sheets are relevant for the exam.

Exams

Semester	Exams		Time limit	University	Sample solutions
WS2122			90 Minutes	Frankfurt UAS
WS2021			90 Minutes	Frankfurt UAS
WS1920			90 Minutes	Frankfurt UAS
SS2019			90 Minutes	Frankfurt UAS
WS1617			90 Minutes	Frankfurt UAS
SS2016			90 Minutes	Frankfurt UAS
WS1516			90 Minutes	Frankfurt UAS
SS2015			90 Minutes	Frankfurt UAS
WS1415			90 Minutes	FH Frankfurt
SS2014			90 Minutes	FH Frankfurt
WS1314			90 Minutes	FH Frankfurt
WS1314			60 Minutes	HS Mannheim
SS2012			90 Minutes	HS Darmstadt
SS2011			60 Minutes	HS Mannheim
SS2009			60 Minutes	HS Mannheim
WS0809			60 Minutes	HS Mannheim
SS2008			60 Minutes	HS Mannheim
WS0708			60 Minutes	HS Mannheim
SS2007			70 Minutes	HS Mannheim

Exam Results

Contact

The best way to reach me is via email: christianbaun@fb2.fra-uas.de