# Ctrl + A - Go to the beginning of the line you are currently typing on # Ctrl + E - Go to the end of the line you are currently typing on 切到命令行开始｜结尾 # Ctrl + L - Clears the Screen, similar to the clear command 清屏，类似于 clear 命令 # Ctrl + U - Clears the line before the cursor position. If you are at the end of the line, clears the entire line. 清除光标以前 # Ctrl + H - Same as backspace 退格键 backspace # Ctrl + R - Let’s you search through previously used commands 从命令历史中找 # Ctrl + C - Kill whatever you are running 终止命令 # Ctrl + D - Exit the current shell 退出 shell # Ctrl + Z - Puts whatever you are running into a suspended background process. fg restores it. ?? # Ctrl + W - Delete the word before the cursor 清除光标之前 # Ctrl + K - Clear the line after the cursor 清除光标之后 # Ctrl + T - Swap the last two characters before the cursor # Esc + T - Swap the last two words before the cursor 切换光标前最后两个字母（单词） # Alt + F - Move cursor forward one word on the current line # Alt + B - Move cursor backward one word on the current line ??在 ubuntu x windows终端中会切换到菜单！tty 可能可以 # Tab - Auto-complete files and folder names 自动补全 # Ctrl + Y - to paste it (as in delete and copy) all text in front of the cursor 粘贴（刚才 ctrl+w 或者 ctrl+k 的内容） # Esc + . (or Esc + Underscore) - Insert Last Argument ?? # Ctrl + b - Move back a character # Ctrl + f - Move forward a character 向前｜后移动一个字母 # Ctrl + r - Search the history backwards ?? # Ctrl + xx - Move between EOL and current cursor position 光标在当前位置和 EOL 之间切换（EOL end of line?但我实验，是在开头和当前位置之间切换，怎么理解？谁知道？） # Ctrl + x @ - Show possible hostname completions # Alt + # Alt + > - Move to the last line in the history # Alt + ? - Show current completion list # Alt + * - Insert all possible completions # Alt + / - Attempt to complete filename # Alt + . - Yank last argument to previous command # Alt + c - Capitalize the word # Alt + d - Delete word # Alt + l - Make word lowercase # Alt + n - Search the history forwards non-incremental # Alt + p - Search the history backwards non-incremental # Alt + r - Recall command # Alt + t - Move words around # Alt + u - Make word uppercase # Alt + back-space - Delete backward from cursor # Here "2T" means Press TAB twice # $ 2T - All available commands(common) # $ (string) 2T - All available commands starting with (string) # $ /2T - Entire directory structure including Hidden one # $ 2T - Only Sub Dirs inside including Hidden one # $ *2T - Only Sub Dirs inside without Hidden one # $ ~2T - All Present Users on system from "/etc/passwd" # $ $2T - All Sys variables # $ @2T - Entries from "/etc/hosts" # $ =2T - Output like ls or dir