每天第一次登录Ubuntu时，系统都会提示如下展示的诸多信息，包括当前系统状态信息，是否有可用升级软件包等： Welcome to Ubuntu 22.04.1 LTS (GNU/Linux 5.10.16.3-microsoft-standard-WSL2 x86_64) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Support: https://ubuntu.com/advantage System information as of Mon Aug 29 10:52:17 CST 2022 System load: 1.4638671875 Processes: 27 Usage of /: 42.9% of 250.98GB Users logged in: 0 Memory usage: 8% IPv4 address for eth0: 172.26.69.235 Swap usage: 0% 0 updates can be applied immediately. This message is shown once a day. To …