Memory

As discussed in earlier post we know that File System is an organized way to access huge information/data stored in permanent storage devices. To retrieve meaning of the raw data from the storage device, we need a FS.In this we post we will discuss some of the important data structures used in UNIX based file system. i-node […]

What is Virtual memory? Virtual memory is the ‘memory management’ component of operating system, which creates the illusion to users of a very large (main) memory. Typically when RAM runs low, ‘memory manager’ move some data from RAM to a special location in disk and frees RAM. The freed memory can be used to serve […]