The Knowledge about Vim

1. The models of Vim normal mode insert mode visual mode replace mode select mode 1.1 How to switch between models normal mode —– press i —–> insert mode normal mode —– press v —–> visual mode insert mode —– press esc —–> normal mode visual mode —– press esc —–> normal mode normal mode …

PGP encryption

1. The difference between traditional encryption and asymmetric encryption 1-1. Traditional encryption With the same key to encrypt and decrypt 1-2. Asymmetric encryption Creating a Public key and a Private key. The Public key could be shared with others. The private key must be kept by the owner. The Public key will Encrypt the context. …