Description

   The uname function stores null-terminated strings of information
   identifying the current system into the structure referenced by
   the name argument.

   The utsname structure is defined in the <utsname.h> header file
   and contains the following members:

   sysname        Name of the operating system implementation
   nodename       Network name of this machine
   release        Release level of the operating system
   version        Version level of the operating system
   machine        Machine hardware platform