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VBScript can run directly in the operating system via the Windows Script Host (WSH). A script file, usually with extension.vbs can be run either via Wscript.exe for graphical user interface (GUI) or Cscript.exe for command line interface (CLI).
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.
WSH provides an environment for scripts to run – it invokes the appropriate script engine and provides a set of services and objects for the script to work with. [5] These scripts may be run in GUI mode ( WScript .exe) or command line mode ( CScript .exe), or from a COM object ( wshom .ocx), offering flexibility to the user for interactive or ...
The runas command was introduced with the Windows 2000 operating system. [2] Any application can use this API to create a process with alternate credentials, for example, Windows Explorer in Windows 7 allows an application to be started under a different account if the shift key is held while right clicking its icon. The program has the ability ...
IF is a conditional statement, that allows branching of the program execution. It evaluates the specified condition, and only if it is true, then it executes the remainder of the command line. Otherwise, it skips the remainder of the line and continues with next command line. Used in Batch files.
A Windows Script File (WSF) is a file type used by the Microsoft Windows Script Host.It allows mixing the scripting languages JScript and VBScript within a single file, or other scripting languages such as Perl, Object REXX, Python, or Kixtart if installed by the user.
Microsoft Script Debugger is relatively minimal debugger for Windows Script Host-supported scripting languages, such as VBScript and JScript. Its user interface allows the user to set breakpoints and/or step through execution of script code line by line, and examine values of variables and properties after any step.
Any parameter to CHAIN can be used as a command name in the script, i.e. can come first before any arguments. An example would be RUNCOM SCRIPT LISTF combined with CHAIN CMD followed by CMD at the start of a following line. CMD will be substituted into LISTF which will list the files in the directory (like the Unix ls command).