( atool can be configured not to use file. In those cases when atool can't identify the format, file is used instead. Sometimes this is not possible - for instance rar archives usually have varying numeric file extensions. As atool invokes external programs to handle the archives, not all commands may be supported for a certain type of archives.Ītool identifies archives by their file extension. The other commands provided are apack (to create archives), als (to list files in archives), and acat (to extract files to standard out). Under External boot, select Allow booting from external media. Choose Enter macOS Password, then type in an admin name and password. When It starts up, click on Utilities in the menu bar and choose Startup Security Utility. aunpack also prevents local files from being overwritten by mistake. Restart your Mac and hold down Command when you see the Apple logo. From the Mac Finder, right-click (or Control+Click) on the file to change the default app for and hold down the OPTION key so that the Open With menu becomes Always Open With.

If there was only a single file in the archive, that file is moved to the original directory. Did you ever extract files from an archive, not checking whether the files were located in a subdirectory or in the top directory of the archive, resulting in files scattered all over the place? aunpack overcomes this problem by first extracting to a new directory. The main command is aunpack which extracts files from an archive.

cpioĪtool is a script for managing file archives of various types (tar, tar+gzip, zip etc). If you happen to use Homebrew, you can install atool and extract many archive types like so: brew install atoolĪssuming the corresponding external programs are available on your system, it can handle:

Unarchiver macos