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PowerShell is a task automation and configuration management program from Microsoft, consisting of a command-line shell and the associated scripting language.Initially a Windows component only, known as Windows PowerShell, it was made open-source and cross-platform on August 18, 2016, with the introduction of PowerShell Core. [9]
Prior to the Windows Vista release, only one volume could be analyzed or defragmented at a time and only one instance could run. [8] Only local volumes can be defragmented; network volumes are not supported. [8] The GUI version prior to Windows Vista cannot be scheduled. However, the command line utility since Windows XP and later can be scheduled.
MS-DOS/PC DOS versions 4.0 and earlier assign letters to all of the floppy drives before considering hard drives, so a system with four floppy drives would call the first hard drive E:. Starting with DOS 5.0, the system ensures that drive C: is always a hard disk, even if the system has more than two physical floppy drives.
Drive mapping is how MS-DOS and Microsoft Windows associate a local drive letter (A-Z) with a shared storage area to another computer (often referred as a File Server) over a network. After a drive has been mapped , a software application on a client 's computer can read and write files from the shared storage area by accessing that drive, just ...
The command redirects requests for disk operations on one drive to a different drive. It can also display drive assignments or reset all drive letters to their original assignments. The command is available in MS-DOS versions 3 through 5 and IBM PC DOS releases 2 through 5. [1]
Windows PowerShell on Windows Vista Midnight Commander using box-drawing characters. In Windows, a console application may run in two modes. One mode places the text in a window and uses an operating system's font rendering. In this mode, an application's interaction with user is controlled by the windowing system.
Some laptop drives and "green power" desktop drives are programmed to unload the heads whenever there has not been any activity for a short period, to save power. [ 68 ] [ 69 ] Operating systems often access the file system a few times a minute in the background, [ 70 ] causing 100 or more load cycles per hour if the heads unload: the load ...
This may, as here, allow the drive to fulfill all requests in fewer rotations and thus less time. In computing , Native Command Queuing ( NCQ ) is an extension of the Serial ATA protocol allowing hard disk drives to internally optimize the order in which received read and write commands are executed.