Terminal vs. Bash vs. Command line vs. Prompt #

• 什么是终端模拟器，被淘汰的全球网络，UNIX 的开发环境

• Teleprinters 电传打字机 from the 1800s

• ASCII 1963, 1926~1980 Telex network 电传网络, end by fax 传真机

  • 以电流传输，电话以电压传输
  • 明文传输的加密系统

• Hardware Emulated Teletypes (CRT, VT100 and intel 8080 in 1978)

• Software Emulated Teletypes(xterm, tty)

  • pseudo-teletypes (PTY)

tty
# -sSilent
tty -s

who
# in docker container
id -u

who vs. whoami

• You can access a full-screen TTY session, on Linux

  • Ctrl+Alt+F1: Returns to the graphical desktop
  • Ctrl+Alt+F2: Returns to the graphical desktop environment
  • Ctrl+Alt+F3: TTY 3
  • Ctrl+Alt+F4: TTY 4
  • Ctrl+Alt+F5: TTY 5
  • Ctrl+Alt+F6: TTY 6

• Computer_terminal

• terminal is short for terminal emulator, is a windows on screen

• terminal emulator is running a shell like bash / zsh

• bash is the language that runs in most terminal emulators

• a stupid / dumb question: how do I copy and paste in bash

  • copying and pasting come from terminal emulator
  • it is specific to this graphical program
  • bash binds ctrl C, not terminal

• command line: python has a command line

• Prompt: variable PS1 in shell(bash / zsh / fish)

• 现代软件堆栈是历史的凝固，软件替代硬件是历史的大趋势，硬件终端的消失，伴随这软件终端模拟器的诞生和发展，然而，历史总是会惊人的相似，至于下一个即将消失的主流硬件是什么，让我们拭目以待.