# Unzip a 7z archive: x for extract
7z x archive.7z
# Unzip without directory structure: e for extract
7z e archive.7z
# Create a 7z archive: a for add
7z a archive.7z foo.c bar.h baz.h
# See what's in an archive: l for list
7z l archive.7z
# Update archive if files in current directory have changed: u for update
7z u archive.7z
# Remove files from archive: d for delete:
7z d archive.7z foo.c