If command is an internal cmd command or a batch file then the command processor is run with the /K switch to cmd. Exe. This means that the window will remain after the command has been run. To minimise any chance of the wrong exectuable being run, specify the full path to command or at a minimum include the file extension: START notepad. ExeThe behaviour of START /Wait will vary depending on the item being started, for exampleThe above will start the calculator and wait before continuing.
However if you replace calc. Exe with Winword. Exe, to run Word instead, then the /wait will stop working, this is because Winword. Exe is a stub which launches the main Word application and then exits.
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A similar problem will occur when starting a batch file, by default START will run the equivalent of which opens a second command window and leaves it open. This can be done by explicitly running. In a batch file, an alternative is to use to delay processing of individual commands. For a GUI application this makes no difference, but a second 'called' batch file will be able to change variables and pass those changes back to the caller.
In comparison START will instantiate a new CMD. Exe shell for the called batch. Processor affinity is assigned as a hex number but calculated from the binary positions (similar to )Specifying /NODE allows processes to be created in a way that leverages memory locality on NUMA systems. For example, two processes that communicate with each other heavily through shared memory can be created to share the same preferred NUMA node in order to minimize memory latencies.
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They allocate memory from the same NUMA node when possible, and they are free to run on processors outside the specified node. These two processes can be further constrained to run on specific processors within the same NUMA node. In the following example, app6 runs on the low-order two processors of the node, while app7 runs on the next two processors of the node. This example assumes the specified node has at least four logical processors.
Note that the node number can be changed to any valid node number for that computer without having to change the affinity mask. When a file that contains a. Exe header, is invoked from a CMD prompt or batch file (with or without START), it will be opened as an executable file. The filename extension does not have to be.
EXE. If Command Extensions are enabled, external command invocation through the command line or the START command changes as follows: When executing a command line whose first token is the string CMD without an extension or path qualifier, then CMD is replaced with the value of the COMSPEC variable. This prevents picking up CMD.
EXE from the current directory. When executing a command line whose first token does NOT contain an extension, then CMD. EXE uses the value of the. EXE uses the value of the PATHEXT environment variable to determine which extensions to look for and in what order.