gpg --output a.gpg --encrypt a gpg --output a --decrypt a.gpg I learned new information about gpg encrypting, it is still obtuse, and here it is. I set myself as the default recipient, and that made life easier If default recipient is not set gpg --output a.gpg --encrypt --default-recipient-self a

While searching for a good way to break up my large files into smaller pieces, I found the split command. I made a very large error in my implementation of the split command when I forgot to put a M at the end of the –bytes flag, and the command ended up spliting a 8GB file by 1986bytes. split --bytes=1986M a a.sp This results in a very large number of files.