How to stop typing addresses — ~/.ssh/config host aliases

One word should replace user + host + port + key, every single time.

Every flag and config keyword was checked against the OpenSSH 9.6 man pages, and the config examples were parsed for real with ssh -G.

Host web
    HostName example.com
    User deploy
    Port 2222
    IdentityFile ~/.ssh/id_ed25519
ssh web    # one word now replaces user + host + port + key

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