Lectures in course CS-202: Computer systems

In-Place Tokenization: A Case Study in C Programming

Covers in-place tokenization in C, focusing on modifying strings directly to extract tokens.

Dynamic Memory Allocation: Understanding Pointers in C

Provides an overview of dynamic memory allocation in C programming, focusing on pointers and memory management techniques.

Dynamic Memory Allocation: malloc and calloc in C

Explains dynamic memory allocation in C, focusing on malloc and calloc functions and their differences, including error prevention techniques.

The Role of Operating Systems: Foundations and Functions

Covers the essential role of operating systems in managing hardware and enabling applications across various devices.

Operating Systems: The Illusion of Resources

Explains how operating systems create the illusion of dedicated and infinite resources through virtualization and process abstraction.

Memory Management: Dynamic Allocation and Deallocation

Covers dynamic memory management, focusing on allocation and deallocation practices in programming.

Untitled

Operating System Roles: Referee and Resource Manager

Covers the operating system's role as a referee in managing resources and ensuring security through fault isolation, resource sharing, and communication.

Operating Systems: The Role of Glue Services

Covers the role of operating systems as glue services that simplify application design and enhance resource management.

Untitled

Process Abstraction: Managing Execution and Resources

Covers process abstraction in operating systems, focusing on execution management and resource allocation for concurrent program execution.

Dynamic Memory Management: Using Realloc in C

Explains dynamic memory allocation in C, focusing on the realloc function and its implications for managing memory effectively.

Process States: Lifecycle and Management

Explains the process state transition diagram and the management of process states in operating systems.

Forking Processes: Practical Examples and Execution Flow

Covers the fork system call in operating systems through three practical examples, illustrating process management and execution flow.

Dynamic Arrays in C: Implementation and Memory Management

Discusses the implementation and management of dynamic arrays in C programming, focusing on memory allocation and safe access methods.

Shell Redirection: Understanding Process Management

Covers how the shell manages processes and demonstrates output redirection in UNIX-like systems.

Isolation and Protection: Ensuring Process Security

Covers the concepts of isolation and protection in computer systems, focusing on process security and resource management techniques.

Limited Direct Execution: Operating System Control Techniques

Covers limited direct execution, a technique that enables efficient program execution while ensuring operating system control and security.

Untitled