.@jlwallen walks you through the process of encrypting and decrypting files with 3 popular file managers: http://bit.ly/2tTlpTH pic.twitter.com/nnq52qJGcw
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2/2. Also a general option can be used for all GNU/Linux systems using xterm that's part of the GNU/Linux base system, the option like: xterm -e gpg --encrypt --recipient [The email that you used in the key creation] %f