... sml.x86-linux.¹

The operating-system dependent portion of the name of a heap image is more discriminating than the operating-system dependent portion of boot- or binfile directories. On the same Intel x86 Linux machine, the name of the boot directory is sml.boot.x86-unix.

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... pathconfig.²

All relative pathnames shown here are relative to src/system.

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... osname³

As mentioned earlier, we distinguish between os which describes the kind of operating system and osname which is the name of a particular operating system. For example, on a Linux machine osname is linux while os is still unix.

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... directory.⁴

If the current directory . is not on the shell's search path, then each script must be invoked using an explicit ./-prefix. Example: ./makeml.

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