Duplication
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duplicate operator to act on current line.
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dd
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delete line
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yy
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yank line
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>>-
indent line
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==
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format line
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Insertion
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a
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(append)
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text after the cursor
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A
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(insert)
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text at the end of the line
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i
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(insert)
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text before the cursor
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I
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(insert)
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text at the beginning of the line
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c
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(change)
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ce
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deletes until the end of the word and goes to insert mode.
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c$
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deletes until the end of the line and goes to insert mode.
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o
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(open)
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text in the line below
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O
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(open)
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text in the line above
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r
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(replace)
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rx
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replace the char with x
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rr
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replace the char with r
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$ R
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(replace)
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replaces all the following chars
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R1235566
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replaces all the following chars with 1235566
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Visual Selection
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v
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(visual selection mode)
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selects text
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if : is pressed, it's going to type
:'<,'>automatically. You can type commands after this line of code, to only affect the selection
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V
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visual selection lines mode
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select lines
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ctrl v
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visual selection block mode
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Substitute
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:s/thee/the
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substitute thee for the, only the first apperance
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:s/thee/the/g
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substitute thee for the whole line
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:%s/thee/the/g
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substitute thee for the whole file
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:%s/thee/the/gc
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substitute thee for the whole file, with a prompt asking if should substitute
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Delete
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x
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delete char
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X
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delete previous char
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d
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dw
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delete word
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d3w
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deletes 3 words
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de
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delete until the end of the current word
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d$
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delete until the end of the line
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dd
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delete line
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2dd
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deletes 2 lines
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Yank (Copy)
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y
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copy text
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leaves the visual mode, if it's in it
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Y
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copy the text from the cursor to the end of the line
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Put (Paste)
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p
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puts the previously deleted text after the cursor.
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P
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puts the previously deleted text before the cursor.
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Undo
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u
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undo
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$ U
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undo the whole line to its original state
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$ ctrl r
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redo
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Casing
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$
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swap case
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g
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swap case in the whole line
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gu
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make lowercase
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gU
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make uppercase
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Formatting
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==
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text formatting
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Folding
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zf
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zf5j
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creates a folding region for the 5 lines below
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