Linuxtty command learning

About the linuxtty command, the tty command is used to print the name of the terminal connected to the standard input. if devconsole is displayed, the terminal is the console terminal. if devptsn is displayed, this terminal is a virtual terminal (Terminal that remotely connects to linuxserver ). Run the linux tty command to learn how to use the tty command to print the name of the terminal connected to the standard input. if/dev/console is displayed, this terminal is a console terminal; if/dev/pts/n is displayed, this terminal is a virtual terminal (Terminal remotely connected to the linux server ). Check that the return code for tty command execution is 0 and that the standard input is a terminal. Sh-# tty/dev/consolesh-# echo $? 0sh-# tty/dev/pts/6 through the following command, we know that/dev/console is a character device (linux treats almost all devices as files ), sh-# ls-l/dev/consolecrw-r -- 1 root 5, 1 Jan 1/dev/console