One difference between these shells with respect to user-defined file descriptors, however, is that the Korn shell (on Solaris anyway) only allows us to assign file descriptors 0 through 9 while ...

Use file descriptors in the range 3-9. File descriptors below 3 are used for standard input, output, and error, the ones above 9 may be used by the shell internally.

The bash shell of Linux has three standard streams of input-output redirection ... Each file has an associated number. This number is called File Descriptor or FD. Interestingly, your terminal screen ...

It isn’t an uncommon scenario. The obvious answer is to create an archive — a zip or tar file, maybe — and include a shell script that you have to tell the user to run after unpacking.