| Command | Short Description | |
|---|---|---|
| SDRESET | Reset the file system module | NEW |
| SDSETPART | Set active partition | NEW |
| SDSTO | Store a an object into a file | NEW |
| SDRCL | Recall an object from a file | NEW |
| SDCHDIR | Change current directory | NEW |
| SDUPDIR | Change to parent directory | NEW |
| SDCRDIR | Create a new directory | NEW |
| SDPGDIR | Delete an entire directory | NEW |
| SDPURGE | Delete a file | NEW |
| SDOPENRD | Open a file for read-only operation | NEW |
| SDOPENWR | Open a file for writing | NEW |
| SDOPENAPP | Open a file in append mode | NEW |
| SDOPENMOD | Open a file in modify mode | NEW |
| SDCLOSE | Close an open file | NEW |
| SDREADTEXT | Read text from an open file (UTF-8 encoding) | NEW |
| SDWRITETEXT | Write text to a file (UTF-8 encoding) | NEW |
| SDREADLINE | Read one line of text from a file | NEW |
| SDSEEKSTA | Move position to given offset from start of file | NEW |
| SDSEEKEND | Move position to given offset from end of file | NEW |
| SDSEEKCUR | Move position to given offset from the current point. | NEW |
| SDTELL | Get the current position | NEW |
| SDFILESIZE | Get the file size in bytes | NEW |
| SDEOF | Return true if last operation reached end of file | NEW |
| SDOPENDIR | Open a directory to scan entries | NEW |
| SDNEXTFILE | Get the next entry in a directory that is a file | NEW |
| SDNEXTDIR | Get the next entry in a directory that is a subdirectory | NEW |
| SDNEXTENTRY | Get the next entry in a directory | NEW |
| SDMOVE | Move or rename a file | NEW |
| SDCOPY | Copy a file | NEW |
| SDPATH | Get the path to current directory | NEW |
| SDFREE | Get the free space in the current volume | NEW |
| SDARCHIVE | Create a full calculator backup on a file | NEW |
| SDRESTORE | Restore from a backup stored in a file | NEW |
| SDGETPART | Get the current partition number | NEW |