Patrick O'Callaghan wrote: > The original meaning of 'su' is 'superuser'. You can find it in Unix > manuals from the 1970s. 'Substitute user' is a lame back-formation from > when the command was extended to allow changing effective id's to any > user and not just root. i am not in disagreement with this as i used *unix* in it's early form. my early unix manuals are buried too deep to get to, so i can not quote from them or find when change came about. but this is not *unix*, we are discussing *linux*. in *linux*, the command 'su' is 'substitute user or group'. in *linux*, 'su' gives a user who knows 'root' password, ability to become _any_user_ or a member of _any_group_. therefore, i again say, command 'su' is not 'super user'. so if i give command 'su poc' or 'su paul', i do not become a 'superuser'. i simply become user 'poc' or user 'paul'. > DOS systems have no concept of user privilege, and hence have no concept > of superuser. Windows systems do have user privileges but AFAIK they > don't use the superuser terminology. *msdos* systems and *ms windows* have very little concept of anything. -- peace out. tc,hago. g . **** in a free world without fences, who needs gates. ** help microsoft stamp out piracy - give linux to a friend today ** to mess up a linux box, you need to work at it; to mess up an ms windows box, you just need to *look at* it. ** learn linux: 'Rute User's Tutorial and Exposition' http://rute.2038bug.com/index.html 'The Linux Documentation Project' http://www.tldp.org/ 'LDP HOWTO-index' http://www.tldp.org/HOWTO/HOWTO-INDEX/index.html 'HowtoForge' http://howtoforge.com/ 'fedora faqs' http://www.fedorafaq.org/ ****
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