When you join the server, read the signs. They explain what you can do, from /newplayer, /rtp to /skyblock and /menu.
This page is a start to learn about the most used commands on the server. Including /back
Sorry, we're still building this page, so there's nothing to read here now.
The /respawn toggle feature information: https://omgboards.com/threads/1mb-respawn-feature.261858/
Control mob spawning in regions info: https://omgboards.com/threads/1mb-feature-which-mobs-cannot-spawn-in-your-region.261857/
The /menu feature: https://omgboards.com/threads/the-1mb-menu-feature.261157/
Commands thread: https://omgboards.com/threads/commands.260943/
Sit on a chair info: https://omgboards.com/threads/sit-on-a-chair.260968/
Show what you are holding with [item]: https://omgboards.com/threads/the-what-am-i-holding-feature.261158/