A sig is a signature. Note mine down at the bottom of this post, with handy links to things like the forum rules and some of my more notable (or at least notorious) rants on various subjects. You can set your signature in your forum profile options, which you can find here.
I'd suggest reading my rant about getting better responses and help; it covers more than just help posts.
I'd suggest reading my rant about getting better responses and help; it covers more than just help posts.
The golden age: it's not the game, it's you ⋆ Why Minecraft should not be harder ⋆ Spelling hints