SYS.COM is a component of DOS and Microsoft Windows 9x operating systems that will copy the command line shell (COMMAND.COM), the boot loader (IO.SYS or IBMBIO.COM), the kernel (MSDOS.SYS or IBMDOS.COM), and the boot sector to the corresponding drive, allowing the target drive to be bootable.[1] The command can be applied to hard drives and floppy disks to repair or create a boot sector.
Although an article on Microsoft's website says the SYS command was introduced in MS-DOS version 2.0,[2] this is incorrect. SYS actually first appeared in IBM PC DOS version 1.0, and according to The MS-DOS Encyclopedia, the command was licensed to IBM as part of the first MS-DOS release (version 1.0).[3]
See also
References
- ^ Microsoft DOS sys command
- ^ SYS.COM Requirements in MS-DOS versions 2.0-6.0
- ^ Duncan, Ray (1988). The MS-DOS Encyclopedia, Microsoft Press, p. 940. ISBN 1-55615-049-0.
External links
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