Solution to page locking caused by xshell accidentally pressing ctrl+s

windows Using more operating environments will lead to a habit , After each edit, I will subconsciously press ctrl+s To preserve （ps： Sometimes the shortcut key will be used subconsciously in the web page state , Then the pop-up prompt page is saved …T_T）

     Use Xshell When I accidentally press this shortcut key, I feel very uncomfortable , Because you will find that the terminal is locked . Whatever you do , The terminal interface is unresponsive . At this time, just use ctrl+q You can unlock the terminal . Because I always press this shortcut key subconsciously , So record it .

     At the same time, when solving this problem , Also a simple study Xshell Other shortcuts for , Write it below , For reference ：

Delete
ctrl + d Deleting the character on the cursor is equivalent to VIM in x perhaps dl
ctrl + h Deleting the character before the cursor position is equivalent to VIM in hx perhaps dh
ctrl + k Deleting all characters after the cursor is equivalent to VIM in d shift+$
ctrl + u Deleting all characters in front of the cursor is equivalent to VIM in d shift+^
ctrl + w Deleting the word before the cursor is equivalent to VIM in db
ctrl + y recovery ctrl+u Characters deleted during last execution
ctrl + ? Undo the previous input
alt + r Undo the previous action
alt + d Delete the last word at the cursor position

Move
ctrl + a Moving the cursor to the beginning of the command line is equivalent to VIM in shift+^
ctrl + e Moving the cursor to the end of the command line is equivalent to VIM in shift+$
ctrl + f Moving the cursor back one character is equivalent to VIM in l
ctrl + b Moving the cursor forward one character is equivalent to VIM in h
ctrl + Direction key left key Move the cursor to the beginning of the previous word
ctrl + Right click the direction key The cursor moves to the end of the next word
ctrl + x Jump between the last cursor character and the current cursor character
alt + f Jump to the end of the word where the cursor is located

Replace
ctrl + t Replace the current character of the cursor with the previous character
alt + t Exchange the word of the current position of the two cursors and the word before the cursor
alt + u Change the word at the current position of the cursor to uppercase
alt + l Change the word at the current position of the cursor to lowercase
alt + c Change the first letter of the word at the current position of the cursor to uppercase
^oldstrnewstr Replace the string in the previous command

Historical command editing
ctrl + p Returns the last command character entered
ctrl + r Enter the word search history command
alt + p Enter a character to find a historical command that is close to the character
alt + > Return to the last command executed

Other
ctrl + s Lock the terminal
ctrl + q Unlock terminal
ctrl + l Clear screen is equivalent to command clear
ctrl + c Another line
ctrl + i similar TAB Health and tonic function
ctrl + o Repeat command
alt + Number keys Number of operations

surface 2-1 Browse for command line keystrokes

Keystrokes	full name	meaning
Ctrl+F	Character forward	Move one character forward
Ctrl+B	Character backward	Move one character back
Alt+F	Word forward	Move a word forward
Alt+B	Word backward	Move a word back
Ctrl+A	Clothes	To the beginning of the current line
Ctrl+E	At the end of the line	To the end of the line
Ctrl+L	Clear the screen	Clear the screen , And leave a line at the top of the screen

surface 2-2 Edit command line keystrokes

Keystrokes	full name	meaning
Ctrl+D	Delete current content	Delete the current character
Backspace	Delete previous content	Delete the previous character
Ctrl+T	Swap character	Swap the position of the current character and the previous character
Alt+U	Capital words	Capitalize the current word
Alt+L	Lowercase words	Change the current word to lowercase
Alt+C	title case	Capitalize the first letter of the current word
Ctrl+V	Insert special characters	Add special characters . for example , Press Ctrl+V+Tab You can add a Tab character

surface 2-3 Keystrokes for cutting and pasting text on the command line

Keystrokes full name meaning
Ctrl+K Cut the end of the line Cut the text to the end of the line
Ctrl+U Cut the beginning of the line Cut the text to the beginning of the line
Ctrl+W Cut the first word Cut a word in front of the cursor
Alt+D Cut the next word Cut a word after the cursor
Ctrl+Y Paste recent text Paste recently cut text
Alt+Y Paste earlier text Cycle back to the previously cut text and paste it
Ctrl+C Delete entire line Delete a whole line

surface 2-4 Key combinations for text completion

Composite key effect
Alt+～ Use the user name to complete the text
Alt+$ Complete the text with variables
[email protected] Supplement the full text with the host name
Alt+! Use the command name （ By alias 、 Reserved words 、shell function 、shell Check the order of built-in commands and file names in turn ） Complete text . let me put it another way , Complete the key sequence with the previously run command
Ctrl+X+/ List possible completion user name text
Ctrl+X+$ List possible completion environment variables
[email protected] List possible completion host names
Ctrl+X+！ List possible completion command names
surface 2-5 Use command history keystrokes

key Function name describe
Direction key （↑ or ↓） Stepping Press the up and down arrows to step through each command line in the history list , To the desired position （Ctrl+P and Ctrl+N Each has the same function ）
Ctrl+R Reverse progressive search Press these keys , Enter a search string to reverse the search . After entering this string , The matching command line appears , You can run or edit it
Ctrl+S Forward progressive search Similar to the previous function , It's just a forward search
Alt+P Reverse search Press these keys , Enter a string to reverse search . Enter a string and press Enter Key to see the most recently used command containing the string
Alt+N Forward search Similar to the previous function , It's just a forward search
Alt+< The beginning of the history list To the first item in the history list
Alt+> At the end of the history list To the last item in the history list