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In addition to the DOS 3.x ',An', ',Llen', 'Bn', and ',Rn' parameters
when appropriate, certain commands can also take a few other
parameters: ',En' for ending address, ',Fn' for field number, and
',@num' for BASIC line number.

4.5 Detailed explanation of commands

Please note that I only list any additional commandline params; for
optional (and OS-specific) command line params, please see above.

- filename
[ProDOS only] This command is simply the 'dash' character, followed by
a filename. Loads and executes a file of type BIN, BAS, TXT or SYS.

APPEND filename
[Basic programs only, not from command line.] Parallel to the OPEN
command, but positions the file for writing to the end. This is not
guaranteed to work under DOS 3.3. For more information on accessing
text files from within Basic, please see the Applesoft Basic FAQ at
http://www.visi.com/~nathan/a2/faq/asoft.html

ProDOS extended syntax: 'APPEND filename[,Ttype][,Llen]': allows
overriding of the default filetype of TXT, and also specifies where to
append from.

BLOAD filename[,Aadr]
Loads a binary file from disk to address and length specified when
saved. The optional ',Aadr' parameter allows you to specify a new
location for the first byte of the file when loaded. No relocation of
program code is performed, however.

ProDOS extended syntax: 'BLOAD
filename[,Aadr][,Blen][,Llen][,Elen][,Ttype]'. Allows you override the
address, length, filetype, and from where in the file the chunk you
want should be loaded.

BSAVE filename,Aadr,Llen
Saves a binary file to disk, writing len bytes from the starting
address.

ProDOS extended syntax: 'BSAVE
filename[,Aadr][,Blen][,Llen][,Elen][,Ttype]'. The address and length
can be omitted; if so, they default to what was last explicitly
specified for the file.

BRUN filename
Does a BLOAD on a file, and then does a machine language jump to the
starting byte, attempting to execute the file. If the file is not
designed to be executed, it may crash or behave oddly.

ProDOS extended syntax: my copy of 'Apple ProDOS-- Advanced features
for programmers' notes that all of the extended params for BLOAD are
usable, except for the type.

BYE
[ProDOS only]. Exits to the currently installed program switcher
provided by ProDOS. May not be available on the earliest versions of
BASIC.SYSTEM.

CAT [pathname]
[ProDOS only]. 40-column directory listing.