Since "-H" can no longer be used as the short option for "--si" (except in df) due to the POSIX requirement that it be the short option for "--dereference-command-line", could "-M" be used as its replacement? Neither ls, du, nor df currently have an "-M" option (though ls and du have "-m"), so it is available in all three commands. Additionally, SI is colloquially called the Metric system, so "-M" has some mnemonic value to it. Any thoughts?
Regards, Tom Trauth
