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cmd.exe is the counterpart of COMMAND.COM in DOS and Windows 9x systems, and analogous to the Unix shells used on Unix-like systems. The initial version of cmd.exe for Windows NT was developed by Therese Stowell. [6] Windows CE 2.11 was the first embedded Windows release to support a console and a Windows CE version of cmd.exe. [7]
In computing, regsvr32 (Register Server) is a command-line utility in Microsoft Windows and ReactOS [1] for registering and unregistering DLLs and ActiveX controls in the operating system Registry. [2]
Under Windows' COMMAND.COM, this may return something like "C:\Windows\system32\cmd.exe /c ..." due to the fact that COMMAND.COM calls CMD.EXE internally. %CMDEXTVERSION% This pseudo-variable expands to the version of the command-line extensions of CMD.EXE , if enabled (e.g. " 1 " under Windows NT , " 2 " under Windows 2000 and Windows XP ).
The SysWOW64 folder located in the Windows folder on the OS drive contains several applications to support 32-bit applications (e.g. cmd.exe, odbcad32.exe, to register ODBC connections for 32-bit applications). 16-bit legacy applications for MS-DOS and early versions of Windows are usually incompatible with 64-bit versions of Windows Vista, 7 ...
In Windows NT family, the system files are mainly under the folder C:\Windows\System32. In Mac OS they are in the System suitcase . And in Linux system the system files are located under folders /boot (the kernel itself), /usr/sbin ( system utilities ) and /usr/lib/modules (kernel device drivers ).
On DOS, OS/2, and Windows operating systems, the %PATH% variable is specified as a list of one or more directory names separated by semicolon (;) characters. [5]The Windows system directory (typically C:\WINDOWS\system32) is typically the first directory in the path, followed by many (but not all) of the directories for installed software packages.
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 ...
In MS-DOS, a batch file can be started from the command-line interface by typing its name, followed by any required parameters and pressing the ↵ Enter key. When DOS loads, the file AUTOEXEC.BAT, when present, is automatically executed, so any commands that need to be run to set up the DOS environment may be placed in this file.