Operating System, Kernal and its types
October 30, 2016What is operating system? Computer = set of resources –Processor(s), memory, I/O & communication devices OS –Enables use of resources... View Article
Categories for Operating System Design
Deadlocks
October 29, 2016Finite number of resources to be distributed among a number of competing processes A set of blocked processes each holding... View Article
Threads
October 29, 2016A thread is the smallest unit of processing that can be performed in an OS. In most modern operating systems,... View Article
Shell Script and Process Scheduling Algorithms
October 29, 2016SHELL Interface between user application or user and kernel (operating system) The shell reads a command line from its standard... View Article
Process and Process Management
October 29, 2016What is a Process? A program in execution An instance of a program running on a computer The entity that... View Article
Unix and Android Memory Management
October 29, 2016SVR4 and Solaris use two separate schemes: paging system kernel memory allocator Paging system provides a virtual memory capability that... View Article
Virtual Memory
October 29, 2016VIRTUAL MEMORY Virtual Memory is a technique that allows the execution of processes that may not be completely in memory... View Article
Swapping and Approaches for Memory Allocation
October 29, 2016SWAPPING A process must be loaded into memory in order to execute What If there is not enough memory available??... View Article
Memory and Memory Management
October 29, 2016Memory is a large array of words or bytes. CPU can only access content from main memory and registers (built... View Article
Advance Tools and Technologies
October 29, 2016NEED OF MAKE TOOLS Problems: Long files are harder to manage (for both programmers and machines) Every change requires long... View Article