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What does IO.SYS Mean?
IO.SYS is an important part of MS-DOS as it contains its default drivers as well as the DOS initialization program. Following the debut of Microsoft’s Windows 95, the MSDOS.SYS file has been merged with IO.SYS, but it still is present in computers as a text file that determines if the computer booted into DOS or Windows. Yet, recent versions of Windows no more need the IO.SYS file for booting up.
IO.SYS is a hidden executable binary file or hidden system file which processes directions when the operating system is booted. It had been an important part of MS-DOS and Windows 9x systems. The directions tell the operating system the computer is setup. Together with the MSDOS.SYS program record, they left up Microsoft’s MS-DOS and so were packed to the memory of your computer.
Contrary to the MSDOS.SYS file that turned into a text file following the Windows 9x release, the IO.SYS file cannot be edited with a standard text editor. In the event that the user should edit the system file, then it’s managed through the CONFIG.SYS file.
More Info On IO.SYS
In the PC bootup order, the first sector of the boot disc is loaded into memory and executed. If this is actually the DOS boot sector, it loads the first three sectors of IO.SYS into memory and transfers control to it. IO.SYS then:
Therefore the technical security rating is 52% dangerous.
Description: Io.sys isn’t vital for the Windows OS and causes relatively few issues. The io.sys file is located in the C:WindowsSystem32drivers folder.
In the PC bootup order, the first sector of the boot disc is loaded into memory and executed. If this is actually the DOS boot sector, it loads the first three sectors of IO.SYS into memory and transfers control to it. IO.SYS then:#Loads the rest of itself to memory. #Initializes each default device driver in turn (console, disk, serial port, et cetera). Now, the default devices are readily available. #Loads that the DOS kernel and requires for its initialization routine. The kernel is stored in MSDOS.SYS with MS-DOS and at IO.SYS using Windows 9x. At this point, “normal” file access is available. #Processes that the MSDOS.SYS file using Windows 9x. #Processes that the CONFIG.SYS file, at MS-DOS 2.0 and higher and Windows 9x. #Loads command.com (or other operating system casing if defined). #Displays that the bootsplash in Windows 9x. If Logo.sys is current, it is used as the bootsplash. The bootsplash in IO.SYS can be used.
Io.sys appears to be a compressed file.
The process has no file description. The service has no detailed explanation. It is not a Windows system file.
The file size on Windows 10/8/7/ /XP is 5,152 bytes. The driver can be started or stopped from Services in the Control Panel or by other programs.
Во время загрузки компьютера содержимое первого сектора загрузочного диска загружается в память и ему передаётся управление. Затем IO.SYS: