cpuid:tldr:fd794

cpuid: Display information only for the current CPU.

cpuid

$ cpuid -1

try on your machine

The command "cpuid -1" is typically used in computer systems to query and retrieve information about the processor or CPU (Central Processing Unit) capabilities.

To explain it further:

"cpuid" refers to the CPU identification instruction. It is a low-level instruction that helps retrieve detailed information about the CPU features, such as instruction sets, cache sizes, cores, architecture details, etc. It is commonly used by system administrators, developers, and advanced users.
"-1" is an argument or parameter for the "cpuid" command. In this context, "-1" is usually used to request a special code to trigger the CPU to provide a comprehensive report of its capabilities. This code can vary between different operating systems and software implementations.

Overall, the command "cpuid -1" is used to gather detailed information about the CPU of a computer system. It helps identify the CPU's features, which could be useful for tasks like optimizing software, determining compatibility, or simply understanding the hardware configuration.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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