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ps -ef and missing user name

I'm a Unix pro, but I still learn things every day! Today, this what I learned: ps -ef will not always show a user name. This is because the field is limited to 8 characters and if the name does not fit, the decimal number of the user is shown instead.

So ps does not show all users... and specifically that applies to hald and dbus-daemon. Beacuse the hald tool uses a small name but has a slightly different full name as haldaemon which is too long (9 characters.) And the dbus daemon tool uses the name dbusmessage (11 characters.)

That's it...