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-Keychain is a manager for OpenSSH, ssh.com, Sun SSH and GnuPG agents.
-It acts as a front-end to the agents, allowing you to easily have one
-long running agent process per system, rather than per login session.
-This reduces the number of times you need to enter your passphrase
-from once per new login session to once every time your local machine
-is rebooted.
+Keychain helps you to manage SSH and GPG keys in a convenient and
+secure manner. It acts as a frontend to ssh-agent and ssh-add, but
+allows you to easily have one long running ssh-agent process per
+running ssh-agent process per system, rather than the norm of one
+ssh-agent per login session.
-This allows 'cron' jobs to use 'ssh' scripts in a friendly yet secure
-manner.
+This dramatically reduces the number of times you need to enter your
+passphrase. With keychain, you only need to enter a passphrase once
+every time your local machine is rebooted. Keychain also makes it
+easy for remote cron jobs to securely "hook in" to a long running
+ssh-agent process, allowing your scripts to take advantage of
+key-based logins.
+
+Keychain also integrates with gpg-agent, so that GPG keys can be
+cached at the same time as SSH keys.
+
+Additional documentation for Keychain can be found on the Keychain wiki
+page.