BSD 2.11 - man page for uname (bsd section 1)
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uname - display information about the system
The uname command writes the name of the operating system implementation to standard out-
put. When options are specified, strings representing 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 out-
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.
sysctl(8), sysctl(3), uname(3)
The uname command appeared in 4.4BSD.
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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