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C:\Windows\system32\drivers C:\Windows\WinSxS. In MS-DOS, the file named MSDOS.SYS is used to copy the system files from one drive to another, allowing the second drive to be bootable. MSDOS.SYS is located in the root directory of the bootable drive/partition (normally C:\ for hard disks) and has the hidden, read-only, and system file ...
An INF file (setup Information file) is an INI plain-text file used by Microsoft Windows-based operating systems for the installation of software and drivers. [1] INF files are most commonly used for installing device drivers for hardware components. [2] Windows includes the IExpress tool for the creation of INF-based installations.
IFSHLP.SYS (the Installable File System Helper) is an MS-DOS device driver that was first released as part of Microsoft Windows for Workgroups 3.11. It enables native 32-bit file access in Windows 386 Enhanced Mode by bypassing the 16-bit DOS API and ensuring that no other real mode driver intercepts INT 21h calls.
For instance, a system administrator willing to install a later version of a computer program that is being used can schedule that installation to occur when that program is not running. An operating system may automatically install a device driver for a device that the user connects. (See plug and play.) Malware may also be installed ...
Using another lower-level device driver (e.g. file system drivers using disk drivers) Simulating work with hardware, while doing something entirely different [9] For software: Allowing the operating system direct access to hardware resources; Implementing only primitives; Implementing an interface for non-driver software (e.g. TWAIN)
In DR DOS 5.0 (1990) and 6.0 (1991), the driver is named HIDOS.SYS rather than HIMEM.SYS, like the corresponding DCONFIG.SYS or CONFIG.SYS directive HIDOS=ON. In FreeDOS, the matching file is named HIMEMX.SYS and can be loaded from the FreeDOS configuration file named FDCONFIG.SYS or CONFIG.SYS. It is also plug compatible with MS-DOS HIMEM.SYS ...
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IO.SYS must be the first file stored in the FAT directory table for files. [5] [6] The files IO.SYS and MSDOS.SYS must be contiguous. [5] [6] However, MS-DOS version 3.3 allows sector 4 and higher to be fragmented; version 5.0 allows the first 3 sectors of IO.SYS to be allocated anywhere (as long as they are contiguous). [nb 1] [7] [5] [8]