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uname(1) [bsd man page]

UNAME(1)						      General Commands Manual							  UNAME(1)

NAME
uname - display information about the system SYNOPSIS
uname [-amnrsv] DESCRIPTION
The uname command writes the name of the operating system implementation to standard output. When options are specified, strings repre- senting one or more system characteristics are written to standard output. The options are as follows: -a Behave as though the options -m, -n, -r , -s, and -v were specified. -m Write the type of the current hardware platform to standard output. -n Write the name of the system to standard output. -r Write the current release level of the operating system to standard output. -s Write the name of the operating system implementation to standard output. -v Write the version level of this release of the operating system to standard output. If the -a flag is specified, or multiple flags are specified, all output is written on a single line, separated by spaces. The uname utility exits 0 on success, and >0 if an error occurs. SEE ALSO
sysctl(8), sysctl(3), uname(3) HISTORY
The uname command appeared in 4.4BSD. STANDARDS
The command is expected to conform to the IEEE Std1003.2 (``POSIX'') specification. 4th Berkeley Distribution February 4, 1995 UNAME(1)

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UNAME(3)						   BSD Library Functions Manual 						  UNAME(3)

NAME
uname -- get system identification LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <sys/utsname.h> int uname(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
The uname() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate the error. 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 Std 1003.1-1988 (``POSIX.1''). HISTORY
The uname() function first appeared in 4.4BSD. BSD
January 4, 1994 BSD

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