What Works - the test suite
Unix Test suite - PowerPC Linux
Create Volume
./mkfs device blocksize blockcount name [initial objects]

Get Info on a Volume (not quite fsck)
./volinfo device blocksize blockcount

Add an Object
./fcfs_newobj volume file [file2...]

Read an Object
./fcfs_readobj volume objid

Update an object
./fcfs_updateobj volume file offset length onode_id