Step 17 says to delete your ringtone you should type in rmdir myringtone.m4a, the directory isn't myringtone.m4a, that's the filename. Either rm myringtone.m4a or rmdir /var/root/Library/Ringtones
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Step 17 says to delete your ringtone you should type in rmdir myringtone.m4a, the directory isn't myringtone.m4a, that's the filename. Either rm myringtone.m4a or rmdir /var/root/Library/Ringtones