![]() Side-by-side, CP/M cost US$200 more than PC DOS, and sales were low. IBM responded by offering an agreement: they would give PC consumers a choice of PC DOS or CP/M-86, Kildall's 8086 version. Digital Research became aware that an operating system similar to CP/M was being sold by IBM (under the same name that IBM insisted upon for CP/M), and threatened legal action. IBM continued to develop their version, PC DOS, for the IBM PC. Microsoft later required the use of the MS-DOS name, with the exception of the IBM variant. Within a year Microsoft licensed MS-DOS to over 70 other companies, which supplied the operating system for their own hardware, sometimes under their own names. This became Microsoft Disk Operating System, MS-DOS, introduced in 1981. Microsoft purchased 86-DOS, allegedly for US$50,000. The system was initially named QDOS (Quick and Dirty Operating System), before being made commercially available as 86-DOS. There, programmer Tim Paterson had developed a variant of CP/M-80, intended as an internal product for testing SCP's new 16-bit Intel 8086 CPU card for the S-100 bus. ![]() Gates in turn approached Seattle Computer Products. Until then, peace.IBM again approached Bill Gates. If you have any questions, send email to me at or post your questions on the Official Scripting Guys Forum. I invite you to follow me on Twitter and Facebook. Join me tomorrow when I will talk about Event 6 in the 2013 Scripting Games. That is all there is to using Windows PowerShell to initialize raw disks and to partition and format a new volume. This script is one that I copied to the system volume when I mounted the volumes and copied files to them prior to bringing the virtual machines online. I am using the script on a bunch of virtual machines that I created, but the script also works on physical computers. When I run the script, the script initializes the raw disk, partitions the disk, and formats the newly created volume while adding my specified volume label. Because this is my second disk for each of my virtual machines, I specify the disk label as “disk 2”, and I suppress the confirmation prompt. To do this, I use the Format-Volume function, and I specify that I want to format the volume by using NTFS. The last thing to do is to format the volume. I then pipe the newly created partition to the next command. I also tell the operating system to create the largest partition size that the disk will support. To do this, I use the New-Partition function, and I allow the operating system to assign a new drive letter to the drive. This portion of the script is shown here.īecause the disk is now initialized, I can create a new partition for the drive. I specify that I want to use an MBR style of partition, and I use the PassThru switch to pass the returned disk object down the pipeline to the next command. Now I use the Initialize-Disk function to initialize the raw disk. This portion of the script is shown here. To do this I use the Get-Disk function, and I use the Where-Object cmdlet to limit the results to those with a ‘Raw’ partition style. The first thing I do is get all disks that have a raw partition style. New-Partition -AssignDriveLetter -UseMaximumSize |įormat-Volume -FileSystem NTFS -NewFileSystemLabel “disk2” -Confirm:$false Initialize-Disk -PartitionStyle MBR -PassThru | The following script accomplishes these four tasks: Get the disk that has a raw partition style.The process is the same as I would do via the Disk Management tool. Luckily, with Windows PowerShell 3.0 in Windows 8 or Windows Server 2012, I can perform all of these operations via Windows PowerShell functions from the Storage module. Formatting a new drive can take a bit of time depending on the size of the drive and the type of format being performed. Next, the drive must be partitioned and formatted before it is usable. This is typically a one-time operation, and it does not take very long to accomplish. This occurs, typically when I open the Disk Management utility and a message states that a new drive is detected and must be initialized. For example, the drive needs to be initialized. However, when the virtual machine comes online, there is a bit of work to do to make the drive accessible from within the operating system. In yesterday’s post, Use PowerShell to Add VHDs and Configure New Virtual Machines, I was able to create and add new VHDs to previously existing virtual machines. Microsoft Scripting Guy, Ed Wilson, is here. ![]() Summary : Microsoft Scripting Guy, Ed Wilson, talks about using Windows PowerShell to initialize raw disks and to partition and format volumes.
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