Sets sensitive case mode for file names.
|-ssc||Set case-sensitive mode. It's default for Posix/Linux systems.|
|-ssc-||Set case-insensitive mode. It's default for Windows systems.|
7z a archive.7z A*.txt -ssc -r
compresses all A*.txt files from current directory and all it's subdirectories. That command doesn't compress a*.txt files.
a (Add), d (Delete), e (Extract), l (List), t (Test), u (Update), x (Extract with full paths)