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Starting vi
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vi
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open a new session
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vi filename
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opens the file filename
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Undo Command
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u
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undo the last command.
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Screen Commands
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CTL/l
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Reprints current screen.
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CTL/L
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Exposes one more line at top of screen.
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CTL/E
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Exposes one more line at bottom of screen.
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CTL/F
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Pages forward one screen.
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CTL/B
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Pages back one screen.
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CTL/D
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Pages down half screen.
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CTL/U
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Pages up half screen.
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Cursor Positioning Commands
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j
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Moves cursor down one line, same column.
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k
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Moves cursor up one line, same column.
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h
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Moves cursor back one character.
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l
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Moves cursor forward one character.
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RET
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Moves cursor to beginning of next line.
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0
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Moves cursor to beginning of current line.
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$
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Moves cursor to end of current line.
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SPACE
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Moves cursor forward one character.
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nG
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Moves cursor to beginning of line n. Default is last line of file.
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0
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Moves the cursor to the first character of the line.
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:n
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Moves cursor to beginning of line n.
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b
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Moves the cursor backward to the beginning of the previous word.
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e
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Moves the cursor backward to the end of the previous word.
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w
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Moves the cursor forward to the next word.
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/pattern
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Moves cursor forward to next occurrence of pattern.
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?pattern
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Moves cursor backward to next occurrence of pattern.
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n
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Repeats last / or ? pattern search.
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Text Insertion Commands
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a
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Appends text after cursor. Terminated by escape key.
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A
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Appends text at the end of the line. Terminated the escape key.
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i
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Inserts text before cursor. Terminated by the escape key.
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I
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Inserts text at the beginning of the line. Terminated by the escape key.
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o
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Opens new line below the current line for text insertion. Terminated by the escape key.
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O
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Opens new line above the current line for text insertion. Terminated by the escape key.
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DEL
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Overwrites last character during text insertion.
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ESC
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Stops text insertion. The escape key on the DECstations is the F11 key.
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Text Deletion Commands
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x
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Deletes current character.
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dd
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Deletes current line.
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dw
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Deletes the current word.
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d)
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Deletes the rest of the current sentence.
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D, d$
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Deletes from cursor to end of line.
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P
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Puts back text from the previous delete.
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Changing Commands
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cw
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Changes characters of current word until stopped with escape key.
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c$
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Changes text up to the end of the line.
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C, cc
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Changes remaining text on current line until stopped by pressing the escape key.
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~
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Changes case of current character.
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xp
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Transposes current and following characters.
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J
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Joins current line with next line.
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s
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Deletes the current character and goes into the insertion mode.
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rx
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Replaces current character with x.
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R
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Replaces the following characters until terminated with the escape key.
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Cut and Paste Commands
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yy
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Puts the current line in a buffer. Does not delete the line from its current position.
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p
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Places the line in the buffer after the current position of the cursor.
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Appending Files into Current File
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:R filename
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Inserts the file filename where the cursor was before the ``:'' was typed.
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Exiting vi
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ZZ
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Exits vi and saves changes.
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:wq
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Writes changes to current file and quits edit session.
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:q!
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Quits edit session (no changes made).
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