uname —
get system identification
#include
<sys/utsname.h>
int
uname(
struct
utsname *name);
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.
The
uname() function returns a non-negative
value if successful; otherwise the value -1 is returned and the global
variable
errno is set to indicate the error.
The
uname() function may fail and set
errno for any of the errors specified for the
library function
sysctl(2).
uname(1),
sysctl(2)
The
uname() function conforms to
IEEE Std 1003.1-1988
(“POSIX.1”).
The
uname() function first appeared in
4.4BSD.
![[OpenBSD]](/openbsd.gif){kind=small}