An l file extension is related to the Lex language source code files used by Unix-based operating systems.

There are 6 other file types using
the L file extension!

empty icon.l - Fractint L-System fractal

empty icon.l - Lisp language source

empty icon.l - WATCOM wlink directive

empty icon.l - Game of Life file

l icon.l - Xcode core Lex program

empty icon.l - Sound Designer II audio data

Bookmark & share this page with others:

L file extension - Lex language source code

What is l file? How to open l files?

File type specification:

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

The l file extension is commonly used by Lex, originally written by Eric Schmidt and Mike Lesk, a standard lexical analyzer generator on many Unix systems, and a tool exhibiting its behavior is specified as part of the POSIX standard.

The l file contains Lex source code.

The default software associated to open l file:

Unix icon

The Open Group logoUnix  Linux/Unix software

Company or developer:
The Open Group

A multi-tasking operating system for various platforms, the first version of UNIX was released in 1969. It is developed by AT&T as well as various commercial vendors, universities and non-profit organizations. Traditional Original Unix systems have characteristics of Version 7 Unix or UNIX System V. Unix Specification have Mac OS X, Mac OS X Server, Solaris, AIX, HP/UX, z/OS etc. Other systems, such as Linux and BSD are called Unix-like or Unix system-like.

Help how to open:

Use any source code editor to view content of *.l files.

How to convert:

As far as we know, this .l 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.

List of recommended software applications associated to the .l file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open l file, edit l file, convert l file, view l file, play l file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with l file - Lex language source code

Click on the software link for more information about Unix. Unix uses l file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).


Previous file extension
KX file extension > Source code and script file types

Next file extension
file extension L


Follow us!

Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed