Operating-System

This repository contains multiple projects, each demonstrating different aspects of system programming and utility development.

Projects

1. kit - File Concatenation Utility

   • Simple command-line utility for concatenating and copying files
   • Similar to the standard UNIX cat command with additional features
   • Handles binary files and large file processing efficiently
   • Supports input/output redirection
   • See kit/README.md for detailed documentation

2. filesystem - Recursive Filesystem Statistics

   • Analyzes filesystem structure and provides detailed statistics
   • Reports file types, sizes, and potential issues
   • Handles symlinks, hard links, and special files
   • Identifies problematic filenames
   • See filesystem/README.md for complete documentation

3. shell - Custom Shell Implementation

   • Basic Unix-like shell with built-in commands
   • Supports file redirections and process execution
   • Provides detailed process statistics
   • Handles command parsing and execution
   • See shell/README.md for usage and features

Getting Started

Each project has its own directory with a dedicated README file containing specific instructions for building, using, and testing the project.

Building All Projects

# Build all projects
make all

# Build specific project
make kit
make filesystem
make shell

Project Structure

.
├── kit/
│   ├── kit.c
│   └── README.md
├── filesystem/
│   ├── filesystem.c
│   ├── filesystem.h
│   └── README.md
├── shell/
│   ├── builtins.c
│   ├── executor.c
│   ├── main.c
│   ├── parser.c
│   └── README.md
└── README.md