uname -a
Linux shell command
https://en.wikipedia.org/wiki/Uname#:~:text=uname
$ uname
# Darwin
$ uname -a
# Darwin xgqfrms-mbp.local 19.5.0 Darwin Kernel Version 19.5.0: Tue May 26 20:41:44 PDT 2020; root:xnu-6153.121.2~2/RELEASE_X86_64 x86_64
man uname
$ man uname
UNAME(1) BSD General Commands Manual UNAME(1)
NAME
uname -- Print operating system name
SYNOPSIS
uname [-amnprsv]
DESCRIPTION
The uname utility writes symbols representing one or more system charac-
teristics to the standard output.
The following options are available:
-a Behave as though all of the options -mnrsv were specified.
-m print the machine hardware name.
-n print the nodename (the nodename may be a name that the system is
known by to a communications network).
-p print the machine processor architecture name.
:
refs
https://www.man7.org/linux/man-pages/man2/uname.2.html
https://github.com/wertarbyte/coreutils/blob/master/src/uname.c
https://www.freebsd.org/cgi/man.cgi?query=uname&sektion=3&n=1
https://www.nsc.ru/cgi-bin/www/unix_help/unix-man?uname+3
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