NAME

hp9000s200, hp9000s300, hp9000s500, hp9000s800, pdp11, u3b, u3b5, vax − provide truth value about your processor type

SYNOPSIS

hp9000s200

hp9000s300

hp9000s500

hp9000s800

pdp11

u3b

u3b5

vax

DESCRIPTION

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

hp9000s200
True if you are on a Hewlett-Packard 9000 Series 200.

hp9000s300
True if you are on a Hewlett-Packard 9000 Series 300.

hp9000s500
True if you are on a Hewlett-Packard 9000 Series 500.

hp9000s800
True if you are on a Hewlett-Packard 9000 Series 800.

pdp11
True if you are on a PDP-11/45 or PDP-11/70. 

u3b
True if you are on a 3B 20S computer.

u3b5
True if you are on a 3B 5 computer.

vax
True if you are on a VAX-11/750 or VAX-11/780. 

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

make(1), sh(1), test(1), true(1). 

Hewlett-Packard Company  —  Version B.1,  May 11, 2021