ubuntu@ubuntu:~/Desktop$ zip -rv MOVIES.zip MOVIES
        zip warning: name not matched: MOVIES/G3_DISK_2.iso
        zip warning: name not matched: MOVIES/G3_DISK_1.iso
        zip warning: name not matched: MOVIES/DISK1.iso
  adding: MOVIES/        (in=0) (out=0) (stored 0%)
total bytes=0, compressed=0 -> 0% savings
ubuntu@ubuntu:~/Desktop$ zip -v MOVIES.zip MOVIES/*
        zip warning: name not matched: MOVIES/DISK1.iso
        zip warning: name not matched: MOVIES/G3_DISK_1.iso
        zip warning: name not matched: MOVIES/G3_DISK_2.iso

zip error: Nothing to do! (MOVIES.zip)
ubuntu@ubuntu:~/Desktop$ sudo apt-get install file-roller
Reading package lists... Done
Building dependency tree... Done
file-roller is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 44 not upgraded.
ubuntu@ubuntu:~/Desktop$