MACHID(1)

NAME
machid, sun, iAPX286, m68k, pdp11, sparc, u3b, u3b2, u3b5, u3b15, vax, i386 - return a true exit status if the processor is of the indicated type

SYNOPSIS
sun

iAPX286

m68k

pdp11

sparc

u3b

u3b2

u3b5

u3b15

vax

i386

DESCRIPTION

The following commands will return a true value (exit code of 0) if you are on a processor that the command name indicates.

    sun True if you are on a Sun system.

    iAPX286
        True if you are on a computer using an iAPX286 processor.

    i386
        True if you are on a computer using an iAPX386 processor.

    m68k
        True if you are on a computer, such as a Sun-3 or a Sun-3x, using an M68000-family processor.

    pdp11
        True if you are on a PDP-11.

    sparc
        True if you are on a computer, such as a Sun-4, using a SPARC-family processor.

    u3b True if you are on a 3B20S computer.

    u3b2
        True if you are on a 3B2 computer.

    u3b5
        True if you are on a 3B5 computer.

    u3b15
        True if you are on a 3B15 computer.

    vax True if you are on a VAX.

The commands that do not apply will return a false (non-zero) value. These commands are often used within make(1) makefiles and shell procedures to increase portability.

SEE ALSO
arch(1), mach(1), make(1), sh(1), test(1V), true(1)