Suns's Solaris operating system uses ZFS which is a next-gen filesystem that expertly and deftly handles defragmentation.
do operating system files come on cds
No.
Defragmenting
A file system allows the operating system to store and organize files on a hard disk.
Your OS/Operating System handles all features on your computer. The OS deals with the computers tasks from running a program to the saving of files. You cannot have a working computer without an OS.
first the booting files are loaded in the RAM and these files are in the boot sector where operating system is installed . after loading these file then these files load the operating system in the RAM , some portion of RAM is Allocated by the OS. after that window is ready to perform tasks.
%systemroot%
boot partitionThe boot partition is the disk partition that contains the Windows operating system files and its support files, but not any files responsible for booting.
System files are files necessary to boot an operating system. They do not necessarily exist on any given NTFS volume, and the choice of file system does not affect which system files are present.
data files
In computer terms, "handles" that you cannot physically hold in your hand include software constructs like file handles, memory handles, and process handles. These are abstract references used by the operating system or applications to manage resources such as files, memory allocation, or running processes. They facilitate interaction with system resources without exposing the underlying complexity. Essentially, they serve as pointers that allow software to access and manipulate these resources efficiently.
because it needs to reboot