$system.osname

Returns the name of the operating system
Usage 
$system.osname()
Description
Returns the name of the operating system. On UNIX like machines this is the field sysname of the utsname structure returned by the uname() syscall.
Syntax Specification 
<string> $system.osname()
Index, Functions
KVIrc 4.3.1. Documentation
Generated by abuild at Mon Mar 30 10:45:37 2015