The .alg file extension is related to the PDP-10 ALGOL programming language. The ALG file contains sources for compiler.

There are 2 other file types using
the ALG file extension!

empty icon.alg - ER Mapper algorithm data

alg icon.alg - InRoads Survey alignment data

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ALG file extension - PDP-10 ALGOL compiler source

What is alg file? How to open alg files?

File type specification:

Source code and script file type icon Source code and script file type

The ALG file extension is associated with the ALGOL (ALGOrithmic Language) a programming language for PDP-10 mainframe computers. The .alg file stores source for compiler.

The PDP-10 was a mainframe computer manufactured by Digital Equipment Corporation (DEC) from the late 1960s on; the name stands for "Programmed Data Processor model 10". It was the machine that made time-sharing common; it looms large in hacker folklore because of its adoption in the 1970s by many university computing facilities and research labs, the most notable of which were MIT's AI Lab and Project MAC, Stanford's SAIL, Computer Center Corporation (CCC), and Carnegie Mellon University.

The PDP-10 architecture was an almost identical version of the earlier PDP-6 architecture, sharing the same 36-bit word length and slightly extending the instruction set (but with improved hardware implementation). Some aspects of the instruction set are unique, most notably the "byte" instructions, which operated on arbitrary sized bit-fields (at that time a byte was not necessarily eight bits).

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .alg file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

Related links:

Article about PDP-10 at the Wikipedia

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