The attributes of an OpenTP1 file system, such as the size and the maximum number of files, can be changed. Following is the procedure for changing an OpenTP1 file system's attributes:

1. Back up the OpenTP1 file system with the filbkup command
2. Change attributes (such as the sector length), with the filmkfs command
3. Restore the backup file into the initialized OpenTP1 file system with the filrstr command