LOCK files exist as 2 different types. Please find information about each of them below.
Type 1: Lock File
File Function
| Primary Function |
Indicate resource lock |
| Additional Functions |
Prevent conflicts, Signal operations |
File Characteristics
| Quality |
Not applicable |
| Supports Layers |
No |
| Supports Transparency |
No |
| Editable |
Generally no |
Use Cases
| Software Installation |
Yes |
| Database Access |
Yes |
| File Editing |
Yes |
Security and Practices
| Security Risks |
Lock manipulation |
| Best Practices |
Monitor locks, Clean up stale locks |
Associated Types
| Similar Extensions |
.lck, .lockfile |
Software Compatibility
| Software |
Usage Policy |
OS Compatibility |
 Various Applications |
Dependent on software |
Windows, Mac, Linux |
Type 2: Minecraft World Lock File
File Function
| Primary Function |
Prevent access |
| Additional Functions |
Signal world use |
| Features |
Single-player lock |
File Characteristics
| Quality |
Not applicable |
| Supports Layers |
No |
| Supports Transparency |
No |
| Editable |
No |
Use Cases
| Single-Player Mode |
Yes |
| Multi-Player Mode |
No |
| Server Management |
No |
Security and Practices
| Security Risks |
None inherent |
| Best Practices |
Avoid manual edit |
Associated Types
| Related Extensions |
.dat, .mca, .mcgame |
Minecraft Java Edition