<<<<<<<<<<BASIC VI COMMANDS>>>>>>>>>>>>>>>>>>

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1 Linux_VI Page 1 VI COMMANDS Wednesday, July 08, :59 AM <<<<<<<<<<BASIC VI COMMANDS>>>>>>>>>>>>>>>>>> esc(twice) => Enters into the command mode :w => Saves the content :q! :wq (or) ZZ => quit without saving => Quit with saving :w filename => save the current file into an another new file :e filename => Edit a file within vi <<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>> <<<<<CURSOR CONTROLS>>>>>>>>>>> <<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>> [<<<Moving up/down by line>>>>>>] j k => Move the cursor down one line => move the cursor up one line [<<<Moving left/right by character>>>] h => move the cursor to the left one character l => move the cursor to the right one character [<<<Moving to start/end of line>>>>>] 0 (zero) => Positions cursor to beginning of a line $ => Positions cursor to end of a line :0 (zero) => Moves cursor to first line in a file :$ => Moves cursor to last line in a file [<<<Moving forward/backward by a word>>>>] w b => Positions cursor to the next word => Positions cursor to the previous word [<<<Moving to top/bottom/middle of the screen>>>] H M L nl ^ => Move to top of screen => Move to middle of screen => Move to bottom of screen => Moves to nth line from the bottom of the screen => Moves cursor to first non-blank column

2 Linux_VI Page 2 e :[n] <n>l => Moves the cursor to end of the next word or punctuation => Moves cursor to line n => Moves cursor to column n <<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>> <<<<<<<<SCREEN CONTROL>>>>>>>>>>> >> CTRL + f CTRL + b CTRL + d => Move forward one full screen => Move backward one full screen => Move forward half a screen <<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>> <<<<<<<<<<EDITING FILES>>>>>>>>>>>>>> >>>> i I a o O A => Insert text before current cursor location => Insert text at beginning of current line => Insert text after current cursor location => Creates a new line for text entry below current location => Creates a new line for text entry above cursor location => Insert text at end of current line :f =>Displays the name of the file > <<<<<<<<<<DELETING FILES>>>>>>>>>> > x X dw => Deletes the character under the cursor location => Deletes the character before the cursor location => Deletes from the current cursor location till end of that word d$ or D => Deletes from the current cursor location till end of that line d^ dd => Deletes from start of line till one position before current cursor location => Deletes the line the cursor is on :line no1, line no 2d => Deletes lines from line no 1 to line no 2 :line no1, line no 2g/<pattern>/d :g/^/+d => Deletes lines containing specific pattern => Deleting every 2nd row <<<<<<<<<<COPYING>>>>>>>>>>>>>>

3 Linux_VI Page 3 yy P p :<line1>,<line2>t< destination (line number under which it needs to be pasted)> => Copies the current line => puts the copied text before the current line => puts the copied text after the current line =>copies a specific set of lines and pastes it under a specific location <<<<<<<<<<<<<<>>>>>>>>>>>>>>>>> <<<<<<<FIND COMMANDS>>>>>>>>> <<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>? => Find a word going backward / => Find a word going forward To perform case insensitive search, add '/c' after the end of the search term. To scroll through only the search term: n=forward scrolling N=backward scrolling <<<<<<<<<<<<<<>>>>>>>>>>>>>>>>> <<<<<<<MISC. COMMANDS>>>>>>>> <<<<<<<<<<<<<<<<>>>>>>>>>>>>>>> :s/search/replace/g :line1,line2s/search/replace/g :%s/search/replace/g :s/\<whole word to be substituted\>/replace/g :%s/^/<string>/g J => Find and replace a word everywhere in the line =>Find and replace a word between lines1 and lines2 => Find and replace a word everywhere in the file =>Finds and replaces the whole word => Inserts string at the beginning of all lines. => Join the current line with the next one. ~ => Switches the case of the character under the cursor V~ => Toggles the case of entire line under cursor g~$ :set number (or) :set nu :set nonumber (or) :set nonu => Toggles the case of all the character from point of cursor to end of the line. => Turn line numbering ON => Turn the line numbering OFF :.= => Shows the current line number :ab <abbreviation> <word or phrase> :ab :abc u CTRL + R => Define the abbreviation for a word or a phrase => List all abbreviations => removes all abbreviations => Undo => Redo

4 Linux_VI Page 4 :edit (or) :e :$-9,$w <file_name> => Manually refresh a file => write the last 10 lines to a file :read <filename> or r <filename> vi +<line> <filename> CTRL + N => Insert another file contents inside the vi editor: => Open a file at a specific line => Turns on auto complete feature <<<<<<<MULTIPLE WINDOWS>>>>>>> ^=CTRL CTRL + w(2 times) :split filename :vsplit filename :hide => Move cursor to another window (cycle) => split window and load another file => vertically split window and load another file => close current window 10 (+) ^w (+) + => Increases the size of the current window by 10 lines 10 (+) ^w (+) - => Decreases the size of the current window by 10 lines CTRL + w + up or down arrow vi -o multiple_file_names vi -O multiple_file_names :wqa :noh => Move cursor to another window => start vi with files in a horizontal split => start vi with files in a vertical split => Close all windows after saving => Temporary disable search highlighting until next search <<<<<<<<<<<VI TABS>>>>>>>>>>>>>>> vi -p <file1> <file2>... <file n> =>Opens n files in separate tabs :tabe (or) :tabnew =>Opens an empty tab :tabnew <file_name> :tabfir :tablas :tabn :tabp :tabs =>Opens file in a new tab =>Moves to the 1st opened tab =>Moves to the last opened tab =>Moves to the next tab =>Moves to the previous tab =>Provides a summary of open tabs

5 Linux_VI Page 5 <n>gt gt gt :tabclose <n> :tabonly :tabclose :tabdo < vi editor command> :tab split =>Switches to the n th tab =>Switches to the next tab. Wrap around from last to first tab. =>Switches to the previous tab. Wrap around from first to last tab. =>Closes the n th tab =>Closes all the tabs except the current one =>Closes the last tab =>Executes the vi command in each tab page *Note: When an error is detected in one tab page, further tab pages, will not be visited. The last tab page ( or where an error occurred becomes the current tab page) Command must not open or close page or reorder them =>Copy the current window to new tab of its own <<<<<<<USING MARKS>>>>>>>>>>>>> Marks allows to record a cursor position and return back to that spot later. Usually lower case letters (a-z) will be used. If a new mark is made with the same name as previous one, the previous marker is lost. m<letter> `<letter> '<letter> => Adds a mark to the cursor at the specified cursor location => Jumps to the cursor place where the mark is made => Jumps to the line where the mark is made :delmarks <letter> => deletes the specified marker :delmarks! =>deletes all lower case marks for the current buffer vi ~/.vimrc => Can be used for setting the default appearances of vi. For instance, one can set the line numbers on by default.