XKCD 1168:
- Rob, you use Unix! Come quick!
* To disarm the bomb simply enter a valid "tar" command on your first try. No googling. You have ten seconds. *
- Rob?..
- I'm so sorry.
- Rob, you use Unix! Come quick!
* To disarm the bomb simply enter a valid "tar" command on your first try. No googling. You have ten seconds. *
- Rob?..
- I'm so sorry.
tar tf filename.tar
tar xf filename.tar
tar xfz filename.tar.gz # Newer tars don't even require the z
tar cfz filename.tar.gz directoryname
tar --help
More interesting questions would be like: "which lower-case letters are NOT valid options to GNU ls". :)