'/usr/bin/cd', ["/tmp"]
'/usr/bin/mkdir', ["tmpDir", "tmpDir/installerDir"]
'/usr/bin/cd', ['tmpDir']
'/usr/bin/touch', ["file1", "file2"]
'/usr/bin/echo abc > file1'
'/usr/bin/echo def > file2'
'/usr/bin/tar', ["-czvf", "installer.tar.gz", "installerDir"]