NAME

uname − get system identification

SYNOPSIS

#include <sys/utsname.h>
 int
uname(name)
struct utsname ∗name

DESCRIPTION

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

The utsname structure is defined in the <sys/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. 

RETURN VALUES

If uname is successful, 0 is returned, otherwise, -1 is returned and errno is set appropriately. 

ERRORS

The uname function may fail and set errno for any of the errors specified for the library functions sysctl(3). 

SEE ALSO

uname(1), sysctl(3)

STANDARDS

The uname function conforms to IEEE Std1003.1-88 (“POSIX”). 

HISTORY

The uname function first appeared in 4.4BSD. 

4th Berkeley Distribution  —  February 4, 1995