Prism Launcher Technical Glossary
Clear definitions of Minecraft modding and launcher terms: `.mrpack`, Fabric vs NeoForge, JVM heap flags, G1GC/ZGC, and Exit Code 1.
Pre-Launch, Wrapper & Post-Exit Commands
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Custom shell scripts or executables that Prism Launcher runs before starting Minecraft and after the game closes.
- Term
- Pre-Launch, Wrapper & Post-Exit Commands
- In Short
- Custom shell scripts or executables that Prism Launcher runs before starting Minecraft and after the game closes.
- Applies To
- Prism Launcher on Windows 10 & 11
Definition: Pre-Launch, Wrapper & Post-Exit Commands
Custom shell scripts or executables that Prism Launcher runs before starting Minecraft and after the game closes.
Useful for automatic Git world backups, starting local servers, or toggling Windows power plans per instance.
How Prism Launcher handles this on Windows
Every instance in Prism Launcher exposes its version stack, mod list, resource packs, shader packs, and JVM settings in one clean Edit Instance window.
Grab the latest Windows installer or portable ZIP from /download to manage all your Minecraft versions in one place.
Frequently asked questions
What does Pre-Launch, Wrapper & Post-Exit Commands mean in Prism Launcher?
Custom shell scripts or executables that Prism Launcher runs before starting Minecraft and after the game closes. Useful for automatic Git world backups, starting local servers, or toggling Windows power plans per instance.
Where can I configure this inside the launcher?
Right-click any instance on the Prism Launcher dashboard and select **Edit** (or open global **Settings** on the top toolbar).
Get Prism Launcher
Windows, macOS & Linux
Free and open source. Sign in with the Microsoft account that owns Minecraft, then create your first instance.
