### General details
* HAMMER file systems are immediately available after a crash, and do not require fsck.
* A single HAMMER file system can be up to 1 exabyte in size, and can encompass up to 256 volumes, of which each can be up to 4 petabytes.
-* Historical views of every file on the system are saved with every sync to disk.
+* Historical views of all files on the system are saved on each sync to disk.
### Snapshots
* Snapshots of the file system can be taken at any time and in any amount.