The best starting point for understanding its architecture and command-line usage is on the 7-Zip Official Site .
đź’ˇ Did you mean 7-Zip , or is "27zip" a specific internal tool or niche project? The best starting point for understanding its architecture
Research often focuses on "Lossless Data Compression Algorithms." A common reference is the paper “A Comparative Study of Lossless Data Compression Algorithms” , which analyzes LZMA’s efficiency against others. which analyzes LZMA’s efficiency against others.