#### 25.2.28 machine-version [Function] ¶

`machine-version` <no arguments> ⇒ description

#### Arguments and Values:: ¶

description—a string or nil.

#### Description:: ¶

Returns a string that identifies the version of the computer hardware on which Common Lisp is running, or nil if no such value can be computed.

#### Examples:: ¶

     (machine-version) ⇒  "KL-10, microcode 9"

#### Affected By:: ¶

The machine version, and the implementation.

#### See Also:: ¶

machine-type [Function] , machine-instance [Function]