#Bash 的 tty 命令

tty [OPTION]...

功能

查看连接到标准输入的终端文件名。

类型

可执行文件（/usr/bin/tty），属于 coreutils。

参数

OPTION 选项：
- -s, --silent, --quiet - 不打印任何内容，仅通过返回值返回状态
- --help - 显示帮助
- --version - 显示版本

返回值

0 - 标准输入是终端
1 - 标准输入是非终端文件
2 - 参数错误
3 - 发生写错误
5 - 无法确认终端名称

#示例

$ tty
/dev/pts/7

#推荐阅读

#手册


TTY(1)                           User Commands                          TTY(1)

NAME
       tty - print the file name of the terminal connected to standard input

SYNOPSIS
       tty [OPTION]...

DESCRIPTION
       Print the file name of the terminal connected to standard input.

       -s, --silent, --quiet
              print nothing, only return an exit status

       --help display this help and exit

       --version
              output version information and exit

AUTHOR
       Written by David MacKenzie.

REPORTING BUGS
       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
       Report any translation bugs to <https://translationproject.org/team/>

COPYRIGHT
       Copyright  ©  2023  Free Software Foundation, Inc.  License GPLv3+: GNU
       GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
       This is free software: you are free  to  change  and  redistribute  it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       Full documentation <https://www.gnu.org/software/coreutils/tty>
       or available locally via: info '(coreutils) tty invocation'

GNU coreutils 9.4                 April 2024                            TTY(1)

#Bash 的 tty 命令

#示例

#推荐阅读

#手册

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