After the system has been installed, the emulator's executable code appears in the file:
$XSB_DIR/bin/xsb
or, if, after being built, XSB is later installed at a central location,
$SHARED_XSB.
$SHARED_XSB/bin/xsb
and indeed, using this command, invokes XSB's top level interpreter
which is the usual way of
using XSB
Version 2.2 of XSB can also directly execute object code files from the command line interface. Suppose you have a top-level routine go in a file foo.P that you would like to run from the UNIX or Windows command line. As long as foo.P contains a directive :- go., and foo has been compiled to an object file ( foo.O), then
$XSB_DIR/bin/xsb -B foo.O
will execute go, loading the appropriate files as needed. In
fact the command $XSB_DIR/bin/xsb is equivalent to the
command:
$XSB_DIR/bin/xsb -B $XSB_DIR/syslib/loader.O
There are several ways to exit XSB. A user may issue the
command halt. or end_of_file, or simply type
CTRL-d at the XSB prompt. To interrupt XSB
while it is executing a query, strike CTRL-c.