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# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
3 File Associations

.FAS File Extension

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Compiled Fast-Load AutoLISP File Icon
File TypeCompiled Fast-Load AutoLISP File
DeveloperAutodesk
Popularity
3.5 (2 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryExecutable Files
File Format Description

Compiled script written in AutoLISP, a variation of the LISP programming language used specifically for the extension of AutoCAD software; often used for creating macros that automate common processes within AutoCAD; can be used for distributing utilities that add new features to the software.

FAS files are commonly compiled using Visual LISP, an IDE that is included with some AutoCAD purchases.

Program(s) that open .FAS files
Updated 9/26/2011

Generic Icon
File Type
This file is saved in a plain text format.
Therefore, you can view the contents of the file in a text editor.
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FASTA Sequence File
DeveloperN/A
Popularity
3.0 (1 Vote) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryData Files
File Format Description

Plain text file saved in the FASTA format, a file format used for storing DNA sequences; used in the process of storing and processing bioinformatics information, such as the genomes of different species.

Program(s) that open .FAS files
Updated 12/4/2012

Generic Icon
File TypeQuickSilver Fast Save Lisp File
DeveloperBroadVision
Popularity
2.0 (1 Vote) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryExecutable Files
File Format Description

Compiled Lisp (.LSP) file saved in the "Fast Save Lisp Format" by Interleaf or QuickSilver; contains compiled code that can be executed by the program; may be generated by selecting either the DTK→Compile→Buffer or DTK→Lisp→Compile menu commands.

FAS files are also called FASL (Fast Load) files.

NOTE: Broadvision acquired Interleaf in January 2000 and later renamed the InterLeaf software to QuickSilver.

Program(s) that open .FAS files
Microsoft Windows Logo
Windows
Icon BroadVision QuickSilverExternal Link
Icon BroadVision Interleaf 6 and later
Linux Logo
Linux
Icon BroadVision QuickSilverExternal Link
Icon BroadVision Interleaf 6 and later
Updated 10/5/2009