We use the following archiving formats. Search the converters subdirectory for appropriate utilities to extract the content from some of these.
Pattern | Format | Contents | Tools |
---|---|---|---|
n!file |
ZipCoded 1541 disk image (n=1–4) | RLE compressed normal 1541 disk tracks | cbmconvert and others |
n!!file |
ZipCode Sixpack of nonstandard 1541 disk image (n=1–6) | RLE compressed raw GCR 1541 disk tracks | cbmconvert and others |
file.arc |
Archive (C64) | A compressed collection of Commodore files | cbmconvert |
file.ark |
Arkive archive (C64) | An uncompressed collection of Commodore files | cbmconvert |
file.bin |
Raw binary file | The contents of an EPROM or ROM chip | |
file.cas |
Tape image of a single file (192-byte tape header followed by raw data) | Commodore tape program file | cbmconvert, c2n, MESS |
file.csm |
Tape image of a multiple file (192-byte tape header blocks and variable-length program blocks following each other) | Commodore tape program file | cbmconvert, c2n, MESS |
file.cvt |
Sequential conversion of a GEOS file | GEOS application or document | cbmconvert and Convert on GEOS |
file.d64 |
1541 disk image (683 blocks of 256 bytes each) | A collection of Commodore files | cbmconvert, many emulators and data transfer programs |
file.gif |
Bitmapped image | Usually a technical drawing | an image viewer program with GIF support |
file.gz |
gzip compressed file | Usually combined with an uncompressed archiving format, such as
.d64 , .lnx or .tar . |
gzip,
WinRAR; Microsoft
Internet Explorer may decompress these files while downloading without
removing the .gz suffix. WinZip refuses to work with such files;
you will have to remove the .gz suffix manually. |
file.html |
Hypertext mark-up language (World Wide Web Consortium) | A hypertext document | Mozilla or other HTML browser |
file.jpg |
Bitmapped continuous-tone image (Joint Photographic Experts Group) | A technical drawing or a photograph | an image viewer program with JPEG image file support |
file.lnx |
Lynx archive (C64, C128) | An uncompressed collection of Commodore files | Supported by cbmconvert |
file.lha |
Lempel–Ziv–Huffman archive | A compressed collection of files. | lha, WinRAR |
file.lzh |
Lempel–Ziv–Huffman archive; an old version of
.lha |
A compressed collection of files. | Uncompress with lhx64 on the Commodore 64; on the Commodore 128, with CS-DOS or PMARC on CP/M. |
file.png |
Bitmapped image (Portable Network Graphics) | Usually a technical drawing | an image viewer program with PNG support |
file.prg |
2-byte address followed by raw data | Commodore program file | |
file.pdf |
Adobe Portable Document Format | A page-oriented alternative to .html |
xpdf, Adobe Acrobat Reader |
file.seq |
Raw sequential data | Commodore sequential data file | |
file.sda |
Self Dissolving .arc archive with a .prg
header |
A compressed collection of files | To extract the contained files, load and run the archive on a Commodore 64. |
file.sfx |
Self eXtracting .lzh archive with a .prg
header |
A compressed collection of files | To extract the contained files, load and run the archive on a
Commodore 64 or a Commodore 128. Alternatively, remove the first 3721 bytes
to obtain a .lzh file. |
file.tar |
Unix tape archive
(tar ) |
An uncompressed collection of Unix files | tar on Unix systems,
WinRAR |
file.txt |
Plain ISO 8859-1 text | A plain text document | a text file editor or viewer |
file.zip |
A zip archive | A compressed collection of files | Info-Zip, WinRAR |