|3||Interprocess communication (IPC).|
|33554432||A cluster share.|
|67108864||A Scale-Out cluster share.|
|134217728||A DFS share in a cluster.|
|-2147483648||Special share reserved for interprocess communication (IPC$) or remote administration of the server (ADMIN$).
Can also refer to administrative shares such as C$, D$, E$, and so forth.
|1073741824||A temporary share that is not persisted for creation each time the file server initializes.|