Linux系统下Shell命令行快捷键实用技巧

# 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