SVensson's ITS on KLH-10
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SV ITS.1648. PWORD.2660.
2. Lusers, Fair Share = 2%
In Internet slang, a luser (sometimes expanded to local user; also luzer or luzzer) is a painfully annoying, stupid, or irritating computer user. It is a portmanteau of "loser" and "user".
In hackish, the word luser takes on a broad meaning, referring to any normal user (in other words not a guru), with the implication the person is also a loser. The term is interchangeable with the hackish term lamer.
It can also signify a layman with only user account privileges, as opposed to a power user or administrator, who have knowledge of, and access to, superuser accounts. For example, The Sysadmin doesn't trust the end luser with a root account password. This term is very popular with technical support staff who have to deal with lusers as part of their job, often metaphorically employing a LART (Luser Attitude Readjustment Tool, or "clue-by-four") meaning turning off the user's access to computer resources and the like.
The Jargon File states that the word was coined around 1975 at MIT. Under ITS, when a user first walked up to a terminal at MIT and typed control-Z to get the computer's attention, it printed out some status information, including how many people were already using the computer. A patch to the system was then written to print "14 losers" instead of "14 users", as a joke. There ensued a great controversy, as some of the users didn't want to be called losers every time they used the computer. For a while several hackers struggled covertly, each changing the message behind the backs of the others; any time a user logged into the computer it was even money whether it would say "users" or "losers". Finally, someone tried the compromise "lusers", and it stuck.
Later, one of the ITS machines supported "luser" as a request-for-help command. ITS ceased to be used mid-1990. However, its use continued to spread, partly because in Unix-style computer operating systems, "user" designates all unprivileged accounts, while the superuser, or root, is the special user account used for system administration. Root is the conventional name of the user who has all rights or permissions (to all files and programs) in all modes (single- or multi-user); the usage lives on, however, and the term "luser" is often seen in program comments.
On IRC, /lusers (which abbreviates "list users") is a common command to get the number of users connected to a server or network.
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