Scripting Languages

OpenSim currently supports 4 scripting languages, and more are under way.
Scripts are restored automatically when OpenSim starts.

LSL

LSLv2 is the well known Second Life scripting language. It is basically a C#/Java-like language. Although many commands are still being developed, the majority of ll-functions has been implemented and it is possible to make usable scripts. If you want to ensure that the compiler treats your script as LSL you should have "//lsl" as the first 5 letters in script. Example code:

default
{
   state_entry()
   {
      llSay(0, "This is an incredibly useless program.");
   }
}

C#

C# is a .Net language.
Although it is C# the behaviour is much like LSL in the sense that you still use ll-functions like llSay(), and still use the same events as in LSL.
The first 4 characters in your script must be "//cs" for the compiler to treat it as C#.

Example code:

//cs
public void default_event_state_entry()
{
    llSay(0, "This is an incredibly useless program.");
}

VB.Net

Note! Mono does not have compiler for VB.Net, so VB.Net scripts may not work on Mono. :) VB.Net is a .Net language.
Although it is VB.Net the behaviour is much like LSL in the sense that you still use ll-functions like llSay(), and still use the same events as in LSL.
The first 4 characters in your script must be "//vb" for the compiler to treat it as VB.Net.

Example code:

//vb
Public Sub default_event_state_entry()
    llSay(0, "This is an incredibly useless program.")
End Sub

JScript.Net

The first 4 characters in your script must be "//js" for the compiler to treat it as JScript.Net.

Example code:

//js
// Someone please make sure this is ok
function default_event_state_entry()
{
    llSay(0, "This is an incredibly useless program.");
}