Ok, I have thought of a few of my own:
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Player Find
Admin has the ability to see where all the players are on his navmap, like when you are in a group, you can see all the other members of your group.
Normal Users have the ability to see everyone on the same faction as him/her on the navmap.
Although you probably won’t be able to find users systems without the following suggestion:
User Locations
Title is pretty self explanatory.
Possible Syntax:
 /playersinsystem <system_id vanilla_name=“”>That would list all the players in a specific system, without having to use the chat window, useful for screenshots when there are to many players to be displayed without scrolling down in the chat window.
Might also be able to list:
Faction
Reputation status (Hostile/Neutral/Friendly)
And:
 /playersinthissystem
Same as last one, except it takes all the players in the same system as the player that called the command.
Log all system chat
Logs all chat sent to system.
Will probably require constant disk access, so maybe storing it in memory, then saving it… Say… Every 10 minutes?
Only useful of servers with people swearing a lot.
Trade Route profit calculator
Title is pretty self explanatory.
Possible syntax:
/routeprofit <from_base><commodity><amount_of_commodity><to_base>User beaming
Could probably use a modified version of the normal beam command, that just restricts the use to beaming him/her self.
Some TLR guys seem to like this idea, although the conversation sort of… Changed to getting something similar in Single Player using a mysterious parameter in Mission 13’s file, that makes the player jump systems when going through the dyson sphere opening.
Report Bug/Cheater
Title is pretty self explanatory.
Possible Syntax:
 /report <bug cheat=“”><details>Just logs everything, then maybe creates an HTML page with info???
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Also, I posted a link in my last list of suggestions, but I don’t think many people noticed it…
So, here it is again: http://efs.proboards.com/index.cgi?board=flacdevplugindownload&action=display&thread=1897
But I would like to add something to that:
Maybe you could scrap:
 /info events PvP
And replace it with:
 /rules
For all the rules, and:
 /rules PvP
For all the PvP specific rules, and finally:
 /rules RP
For all the role play rules.
The output produced by these should come from a text file, loaded into memory when FLHook starts.</details></bug></to_base></amount_of_commodity></commodity></from_base></system_id>