有很多选择可以保护您的数据。但是，GPG的另一个优势是可以优先加密您的数据并通过Internet安全地传输它们。本文介绍有关–如何在Linux上使用GPG命令加密和解密文件。
要获取有关GPG的更多信息，请使用以下命令–$ gpg -h
样本输出应如下所示–gpg (GnuPG) 1.4.20
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Home: ~/.gnupg
Supported algorithms:
Pubkey: RSA, RSA-E, RSA-S, ELG-E, DSA
Cipher: IDEA, 3DES, CAST5, BLOWFISH, AES, AES192, AES256, TWOFISH,
CAMELLIA128, CAMELLIA192, CAMELLIA256
Hash: MD5, SHA1, RIPEMD160, SHA256, SHA384, SHA512, SHA224
Compression: Uncompressed, ZIP, ZLIB, BZIP2
Syntax: gpg [options] [files]
Sign, check, encrypt or decrypt
Default operation depends on the input data
Commands:
-s, --sign [file]
