ARCH(1) BSD Reference Manual ARCH(1)
arch, machine - print architecture type
arch [-ks]
machine [-a]
The arch and machine commands display the machine's architecture in
slightly different ways. arch by default displays the application archi-
tecture, defined by both the operating system and the instruction set ar-
chitecture, while machine displays the kernel architecture (without the
operating system part). Note that both commands output the target archi-
tecture as opposed to uname(1) which describes the host. This is useful
for dynamic discovery of the target architecture in build or configura-
tion scripts needing to work in cross-compilation environments.
The options for arch are as follows:
-k Display the kernel architecture instead of application architec-
ture.
-s Display the chosen architecture in a short form, i.e., without
the operating system prefixed.
The options for machine are as follows:
-a Display the application architecture instead of the kernel archi-
tecture.
uname(1)
MirOS BSD #10-current June 22, 1996 1
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