Terminal a can of human-computer interaction interface
Physical terminal
- Terminal apparatus: keyboard, mouse, display
terminal type
- Console terminal: / dev / console
- Serial Terminal: / dev / ttyS #
- Virtual Terminal: tty: teletypewriters, / dev / tty #, tty may have n, Ctrl + Alt + F #
- Graphic terminal: startx, xwindows
- CentOS 6: Ctrl + Alt + F7
- CentOS 7: Which terminal starts, ie which virtual terminal is located
- Pseudo-terminal: pty: pseudo-tty, / dev / pts / # as: SSH connection remote virtual terminal
Virtual Terminal software
- xshell
- MobaXterm
- SecureCRT
- Putty
- FinalShell
View the current terminal equipment
tty command View current terminal
[root@C8 ~]# tty
/dev/pts/0
Linux command
who view the current logged-on user
[root@VM_163_113_centos ~]# who
root pts/0 2020-03-31 20:14 (117.183.*.*)
root pts/1 2020-03-31 17:07 (115.171.*.*)
root pts/3 2020-03-31 20:25 (117.183.*.*)
root pts/5 2020-03-31 21:44 (115.171.*.*)