Introduction to viIntroduction to viIntroduction to viIntroduction to vi

(a Unix, Linux, and Windows text editor)(a Unix, Linux, and Windows text editor)

Intro to vi• vi is a ubiquitous text editor.• It is available for Linux, Unix, and

Windows (from http://www.winvi.de/en/ and others).• To run vi, simple type

– vi– vi test.cpp– (or by double-clicking or by right-clicking)

vi acronyms…• viSUAL• viSUAL EDITOR• vISUAL iNTERFACE

• vERY iDIOTIC

Intro to vivi has 3 modes:

1. edit mode2. insert mode3. command mode

vi mode: editEsc return to edit mode/search-string/ search againarrow keysRet next line^ beginning of line$ end of linex delete chardw delete worddddelete linen dd delete n linesu undoCtrl-b backwards a screenful of textCtrl-f forwards a screenful of textCtrl-r redo

vi mode: inserta start adding after cursorA start adding at end of linei insert in front of current cursor positionI start adding in front of lineo open a new line underneath current lineO open a new line above current line

Esc exit insert mode

vi mode: commandCommand mode is entered with : from

move/modify mode.:q quit (if changes haven’t been made):q! quit without saving changes:w save changes; don’t quit:x save changes and quit

Emacs commandcopy-paste steps:

1. Place cursor (anywhere) on line you wish to copy.

2. shift-y yank (makes a copy of the line)• or n shift-y to yank n lines

3. Move to location where you wish to paste line.

4. shift-p put

Emacs commandcut-paste steps:

1. Place cursor (anywhere) on line you wish to cut.

2. dd delete line• or n dd to delete n lines

3. Move to location where you wish to paste line.

4. shift-p put

Remember…Esc return to move/modify mode:x save changes; quit:q quit:q! quit without saving changesdd delete linedw delete wordi insertu undo