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vi - Use vi editor

[SYNOPSIS] vi FILE

Switch Command mode/Input mode Key Description i insert words on the Cursor position a insert words after the Cursor position I insert words on the head of the line of Cursor position A insert words on the last of the line of Cursor position o insert words on the empty line inserted that is after Cursor position O insert words on the empty line inserted that is before Cursor position [Esc] switch to command mode Save/Quit Key Description :w save :w file save as a file :q quit without saving(confirmed) :q! quit without saving(forcely) :wq save and quit :e back to the last saved :n switch to other file if some files are opened :r file read content of a file on current line :n,mw file save as a file from n line to m line :n,mw>>file add to a file from n line to m line Cursor operation Key Description h (or) [←] move to left l (or) [→] move to right k (or) [↑] move to above j (or) [↓] move to below w move to the head of next word b move to the head of previous word 0 move to the head of line $ move to the last of line G move to the last line nG move to n line H move to the head of current screen nH move to n line on current screen L move to the last line on current screen nL move to the line of "n" M move to the head line on current screen Scrolling operation Key Description [Ctrl] + f scroll down for a screen [Ctrl] + b scroll up for a screen [Ctrl] + d scroll down for half of a screen [Ctrl] + u scroll up for half of a screen Edit operation Key Description x delete a word on cursor X delete a word before cursor yy copy the current line into the buffer y$ copy from the cursor position to the end of the line into the buffer y0 copy from the head of line to the cursor position into the buffer yw copy a word on cursor into the buffer p paste the contents of the buffer after the cursor position P paste the contents of the buffer before the cursor position dd delete the current line d$ delete from the cursor position to the end of the line d0 delete from the head of the line to the cursor position dw delete from the head of the line to the next word u cancel the last operation U cancel the last operation for a line Search operation Key Description / word [Enter] search a word from the head of a file to the end ? word [Enter] search a word from the end of a file to the head n search next after a result of searching

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