Here is the stuff you may have forgotten!

The full form of a file name is

:DEVICE/DIRECTORY/DIRECTORY/ ....

where DIRECTORY and filename are each of the form

name.extension

consisting of a name of up to 12 letters or digits, followed by an optional extension of up to three letters or digits,

The following extensions are used for system functions:

Extensions
.`sgn`	For +K and +S CLI files.
`.CLI`	For `BOOT.CLI` file.
`.L`	For PipeDream multi-file List file

DIRECTORY is a directory name subject to the same constraints as filename

In addition the following symbols can be used:

Symbols
`../name`	Parent directory of `name` Current directory

DEVICE can be specified as one of the following:

Specification	Effect
:RAM.0	RAM in slot 0 (internal memory)
:RAM.1	RAM in slot 1 (external memory)
:RAM.2	RAM in slot 2 (external memory)
:RAM.3	RAM in slot 3 (external memory)
:RAM.-	Any RAM memory; ie 0, 1, 2, or 3. Used by CLI for temporary files, and lost on reset.
:ROM.0	ROM
:SCR.0	Screen
:PRT.0	Printer; via printer driver so that highlight codes are interpreted
:COM.0	Communications; via serial port
:INP.0	Standard input
:OUT.0	Standard output
:NUL.0	Null: absorbs output, and acts like an empty file on input

Note

RAM. - files must be deleted before a soft reset is performed with Operating Systems up to and including 3.0.

The device, directory and file name can contain the following wildcards:

Wildcard
*	Matches any number of characters (or none)
?	Matches a single character
//	Matches any number of directories (or none)

For example,
:*//letter	Finds the file called `letter` anywhere
doc*	Finds: `doc.tx, document, doc27, doc`, etc.
* *	Finds only files with extensions.
.. /fred*	Finds all files beginning with `fred` in the parent directory

Note that the characters '/' and '\' may be used interchangeably.

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