-c Indicates that added identities should be subject to confirmation before being used for authentication. Confirmation is performed by the SSH_ASKPASS program mentioned below. Successful confirma‐ tion is signaled by a zero exit status from the SSH_ASKPASS pro‐ gram, rather than text entered into the requester. -D 删除ssh-agent中的所有密钥. -d 从ssh-agent中的删除密钥 -e pkcs11 #删除PKCS#11共享库pkcs1提供的钥匙。 -s pkcs11 #添加PKCS#11共享库pkcs1提供的钥匙。 -L 显示ssh-agent中的公钥 -l 显示ssh-agent中的密钥 -t life #对加载的密钥设置超时时间,超时ssh-agent将自动卸载密钥 -X 对ssh-agent进行解锁 -x 对ssh-agent进行加锁