在 Linux shell 下直接执行 `taos` 连接到 TDengine 服务，进入到 TDengine CLI 界面，示例如下： ```text $ taos Welcome to the TDengine shell from Linux, Client Version:2.0.5.0 Copyright (c) 2017 by TAOS Data, Inc. All rights reserved. taos> show databases; name | created_time | ntables | vgroups | replica | quorum | days | keep1,keep2,keep(D) | cache(MB)| blocks | minrows | maxrows | wallevel | fsync | comp | precision | status | ========================================================================================================================================================================================================================= test | 2020-10-14 10:35:48.617 | 10 | 1 | 1 | 1 | 2 | 3650,3650,3650 | 16| 6 | 100 | 4096 | 1 | 3000 | 2 | ms | ready | log | 2020-10-12 09:08:21.651 | 4 | 1 | 1 | 1 | 10 | 30,30,30 | 1| 3 | 100 | 4096 | 1 | 3000 | 2 | us | ready | Query OK, 2 row(s) in set (0.001198s) taos> ```
