Inter Process Communication
October 29, 2016IPC Independent processes & co-operating processes Communicating two processes related or unrelated. Purposes for IPC Information Sharing Data Transfer Synchronization... View Article
Categories for Operating System Design
Free Space Management
September 18, 2016Since disk is limited, we need to reuse it To keep track of free disk space, system maintains a free... View Article
Files & File System
September 18, 2016UNIX file system File is remarkable feature of UNIX File is a sequence of bytes of data that reside in... View Article
Buffer
September 18, 2016Buffer cache When a process wants to access data from a file, the kernel brings the data into main memory,... View Article
Grand Unified Boot loader (GRUB)
September 18, 2016GRUB GRUB is an operating system independent boot loader A multiboot software packet Flexible command line interface File system access... View Article
Kernel
September 18, 2016Introduction A kernel is a central component of an operating system. It acts as an interface between the user applications... View Article
Operating System
September 18, 2016What is operating system? Computer = set of resources Processors, memory, I/O & communication devices OS Enable use of resources... View Article