What is a .LZR file?
A .LZR file is a type of compressed file known as a Crunch-Compressed LBR File. Essentially, it is an archive file, originally in the .LBR format, that has been compressed using a method called Crunch compression to reduce its size. This type of file is commonly used to bundle multiple related files together, such as the files for a software application along with its accompanying documentation. This bundling is particularly useful for distributing these files in a more compact and manageable form.
To access the contents of an LZR file, you will need specific tools. Firstly, a Crunch decompression utility is required to decompress the .LZR file back into its original .LBR format. After decompression, you will need a LU expansion utility to extract the individual files from the .LBR archive. Several programs can open .LZR files, including: - lbrate, which is a tool specifically designed to handle various types of LBR archives. - Peter Dassow CFX, another program that supports handling these compressed files. - The Unarchiver, a versatile archiving utility that can manage a wide range of file formats, including .LZR files.
The LU archiving utility, which is crucial for handling the uncompressed .LBR files, was developed by Gary P. Novosielski in the early 1980s. It was primarily designed for use with older operating systems like CP/M and DOS. Developers initially used LU to package software programs into .LBR files for easier distribution to end users. While .LBR files themselves are not compressed, to make them smaller and thus easier to share, developers often compress these files. When LBR files are compressed using Crunch, they are renamed with the .LZR extension. It's important to note that another type of compression called Squeeze results in .LQR files, which are different from .LZR files.
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