#make shell script that creates btrfs snapshots which has following options (use while loop and case statement to make these options)
--org-dir-name takes an argument and name it to sub directory which will be used in organizing snapshots
-p or --period takes periodic time as argument which will be used in creating cronjob
-k or --keep-snapshots takes a number as argument and checks if snapshot exceeds the given number and delete older snapshots
-s or --service take argument to either use cron or systemd timers to take snapshots periodically
-h or --help shows the usage for script In your response, capitalize a few words to stress main points. Please limit the number of words with all capital letters to less than 12.
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