OS Systems Projects

A collection of systems programming projects in C/C++, focused on process management, synchronization, and memory allocation.

Included Projects

• Smash shell — mini Unix shell with job control and signal handling
• Concurrent bank simulator — multithreaded ATM/bank system with synchronization primitives
• Custom allocator — malloc/free-style allocator using sbrk/brk

Build

Each project can be built separately:

Smash

cd 1.Smash
make

Bank

cd 2.bank
make

Custom Allocator

cd 3.Custom_Allocator
gcc -Wall -Wextra main.c customAllocator.c -o allocator_test