Add one or more folders to .zip archive

To add single directory (with all files and sub-directories) simply execute:

zip -r name_of_your_directory

To add all contents of current directory (again, recursively) call instead:

zip -r *

While to add two or more directories (but not all) in current directory — list them:

zip -r directory_a directory_b directory_c

Call just zip to see all switches, options etc.

Limit Android-based device functionality to an absolute minimum

If you ever need to turn some Android-based device (like a spare tablet) into single-function device (like auto-started browser with precisely selected website and all other functions disabled) then there’s a great article at Android Enthusiasts that explains in quick, sharp words, what you need to achieve this (some time and cash).

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