Path contains the list of directories that the system should search to locate an executable file.
COMSPEC VARIABLE WINDOWS WINDOWS
On current Windows systems, this variable is always set to Windows_NT. This variable specifies the operating system that is running. So, on computer, I have 8 physical cores, but 16 logical cores.įor information on how this environment variable is used, see Changes to the Number of Processors. Intel i3, i5, and i7 processors have two logical cores per physical core. However, each logical core shares resources with the other logical cores on a physical core. There may be multiple logical cores for each physical core. A logical core is a processing unit that is capable of executing its own thread in parallel with other logical cores. This may be different from the number of logical cores. This is the number of physical cores in the CPU on your computer. On my system, this value is 8 on your system, it is probably one of 2, 4 or 8.
This variable contains the number of processors on the computer. Its value is typically C:\Windows\System32\Drivers\DriverData.
COMSPEC VARIABLE WINDOWS DRIVER
DriverDataĭriverData points to the directory containing driver related data. Its value is typically C:\Windows\system32\cmd.exe. Here are some examples: ComSpecĬomSpec points to the command prompt. System Environment VariablesĪs stated above, system environment variables apply to the system and all users. On the other hand, system environment variables apply to all users. User-specific environment variables are applicable to the user who sets these variables. There are two types of environment variables: First created on What Are Environment Variables?Įnvironment variables are dynamically named variables that can affect how running processes behave on a computer system.
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