OPERATING SYSTEMBCA 205T

About the work

• We give you the syllabus below and a sample notes PDF to record from. The notes unlock once you fill in your details in the form.
• You send back a link to an unlisted YouTube video or a Drive video of yourself teaching from those notes. Nothing to upload here.
• Selected educators have 3-4 weeks to submit the full recording.
• Payment for the subject: Upto 1500-2000 (Based on Hrs of recording).
• Shortlisted applicants are contacted by our team with the next steps.

Subject syllabus

Exactly what you would be recording.

UNIT 1
Introduction: What is an Operating System, Functions of Operating System, Simple Batch Systems;Multi programmed Batch systems, Time-Sharing Systems, Personal-computer systems, Parallel systems,Distributed Systems, Real-Time Systems.
Introduction to Linux: Architecture of Linux OS, Basic directory structure of Linux, Basic commandsof Linux :-
man, info, help, what is, apropos, basic directory navigation commands like cat, mkdir, rmdir,cd, mv, cp, rm, ,file,
pwd, date, cal, echo, bc, ls, who, whoami, hostname, uname, tty, alias
Vi Editor: vi basics, Three modes of vi Editor, how to write, save, execute a shell script in vi editor

UNIT 2
Processes: Process Concept, Process Scheduling, Operation on Processes, Threads CPU Scheduling: Basic Concepts, Scheduling Criteria and Scheduling Algorithms: FCFS, SJF, SRTF, Priority and Round Robin Scheduling algorithms.
Process Synchronization: Background, The Critical-Section Problem, Semaphores solution tocritical section Problem, Classical Problem: Consumer Producer Process related commands in Linux: ps, top, pstree, nice, renice and system calls

UNIT 3
Memory Management: Background, Logical versus Physical Address space, swapping, Contiguous allocation, Segmentation, Paging
Virtual Memory: Demand Paging, Performance of Demand Paging, Page Replacement, Page-replacement Algorithms, Allocation of Frames, Thrashing 
Deadlocks: System Model, Deadlock Characterization, Methods for Handling Deadlocks, Deadlock Prevention, Deadlock Avoidance, Deadlock Detection, Recovery from Deadlock.

UNIT 4
Information Management: Introduction, File Concept, Access methods, Directory and Disk structure,File Protection Linux File Security: Permission types, examining permissions, changing permissions (symbolic method and numeric method)