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Process states in Linux OS
Running: Process is either ready to run or running
Interruptible: a Blocked part of a process and waiting for a signal or an event from another process
Uninterruptible:- a blocked state. Process waits for a hardware requirement and cannot handle any process
Stopped: Process is halted or stopped and can be restarted by some other signals
Zombie: process ended, but information is still there in the table of process.
Unisex Restroom Problem
Hashed page table method A general approach for managing address spaces larger than 32 bits is to use a hashed page table with the hash values being the virtual-page number.
IMPLEMENTATION OF SEGMENTATION WITH AN EXAMPLE Segmentation is a memory-management scheme that represents the user view of memory. A logical address space is the collection of
ADVANTAGES OF MICROFERNEL IN YSTEM DESIGN?
How can a user program disturb the normal operation of the system? a) Issuing illegal I/O operation. b) By accessing memory locations within the OS itself. c) Refusing to
When a program issues a memory load or store operation, the virtual addresses (VAs) used in those operations have to be translated into "real" physical memory addresses (PAs). This
Objectives 1. Login to UNIX system and logout 2. Learn features of the vi editor and to use online help (main pages). Gain experience using them to create a document
FIXED PARTITIONING In a fixed partitioning, the operating system inhabiting some fixed portion of main memory is available for use of multiple processes -Using fixed partit
MEMORY MANAGEMENT USING BIT MAPS In this memory is separated into different allocation units each of some particular size(a few bites).consider every space of size 4k. A
What are the various file operations? The six basic file operations are Creating a file Reading a file Writing a file Repositioning within a file Tr
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