tset命令的作用是可以进行终端初始化。默认终端类型为“unknown”。
如果命令行上没有指定终端类型，则应用-m选项映射，如果终端类型以问号(” ? “)开头，则提示用户确认终端类型。或者可以输入另一个类型来指定新类型。一旦确定了终端类型，就会检索终端。如果没有找到该类型的，则提示用户输入另一种终端类型。
一旦获取了条目，就会设置窗口大小、退格、中断和行终止字符(以及许多其他内容)，并且将终端和制表符初始化字符串发送到标准错误输出。最后，如果擦除、中断和行终止字符已经更改，或者没有设置为默认值，那么它们的值将显示在标准错误输出中。
语法格式：tset [参数] [终端]
常用参数：
| -w | 调整窗口的大小，以匹配通过setupterm推导的大小 |
| -c | 控制字符和模式 |
| -e<ch> | 将擦除字符设置为ch |
| -i<ch> | 将中断字符设置为ch |
| -I | 不要发送终端或标签初始化字符串到终端 |
| -k<ch> | 将行删除字符设置为ch |
| -m<映射> | 从一个端口类型到一个终端指定一个映射 |
| -Q | 为擦除、中断和行删除字符不显示任何值 |
| -q | 终端类型被显示到标准输出，并且所述终端是不以任何方式进行初始化 |
| -r | 输出终端类型到标准输出 |
| -s | 输出shell命令的序列来初始化环境变量TEERM到标准输出 |
参考实例
终端初始化：
[root@linuxcool ~]# tset
显示终端类型：
[root@linuxcool ~]# tset -q
将中断字符设置为ch：
[root@linuxcool ~]# tset -i ch Interrupt set to c.
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