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================ vi.n === (first page of quick intro) ========= QUICK INTRODUCTION TO THE vi VIDEO EDITOR

ENTERING vi

vi name start vi editor with file name . The file is created if it doesn't exist.

LEAVING vi

ZZ exit from vi, saving changes. :q! exit from vi, discarding changes.

CURSOR POSITIONING

h moves left one character position. j moves down one line. k moves up one line. l moves right one character position. NOTE: On the adm3a video terminal keyboard, these letters have arrows above them which correspond to the direction of the cursor movement. 0 (zero) moves to the beginning of a line. w moves right one word. b moves left one word. CTRL-u moves up 1/2 screen full. CTRL-d moves down 1/2 screen full. G moves to the bottom of the file. nG moves to line number n . CTRL-l clear screen and re-draw.

TEXT MODIFICATION

itextESC inserts text to the left of the cursor. Insert doesn't cause the cursor to move; text appears as it is typed, terminate with ESC. atextESC appends (inserts) text to the right of the cursor, terminate with ESC. RtextESC Replaces (overprints) characters at the cursor position, terminate with ESC. dd deletes the line the cursor is on. ndd deletes n lines from the cursor position. NOTE: Deleted lines are replaced with the character @ which is removed when the page is re-drawn. D deletes characters from the cursor position to the end of the line. x deletes the character at the cursor. nx deletes n characters to the right of the cursor. u undo the last change.

PATTERN SEARCHING

/pat/ positions the cursor at the next occurrence of the string pat .

NOTES: ESC represents the ESC key. Press the ESC key when it is called for in the above commands. CTRL- represents the CTRL key. Hold the CTRL key and press the following key simultaneously.

================ via.n ==== (second page of vi quick intro) ========== SECOND LEVEL vi EDITING COMMANDS

CURSOR POSITIONING

} move down one paragraph. { move up one paragraph. mx save the current cursor position and label it with the letter x. (x is any letter) 'x return to the cursor position labeled x.

TEXT MODIFICATION

dw delete the next word. . (period) repeat last change. A append at the end of the current line. P put back deleted line(s). Text deleted with D and dd commands may be pasted back with the P command. Text is pasted in before the cursor position. :a,bs/old/new/ From line number 'a' to line number 'b', substitute the pattern 'old' with the pattern 'new'. You may use any text string which doesn't contain a carriage return in place of the 'old' and 'new' strings. Use CTRL-G to tell what line the cursor is on. PATTERN SEARCHING

// search for the next occurrence of a previously specified search string.

MISCELLANEOUS

:w write out current changes. The vi editor works on a copy of your file. The :w command causes the editor to write its copy over the original which is on the disk. :w name write out changes to the file name . This is like the :w command but the changes are written into the file you specify. (good for making intermediate copies) Cut and Paste Move to the begining of the text to cut. Use dd to delete (cut) several lines. Use D to cut only the end of one line. Move to the place where you wish to paste the text. Use P to put back the text. You may need to clean up the spacing after pasting.