Working with the Unix OS

Introduction to Unix
vi file-name start visual editor
File is created/opened and first screen displayed.
command
i, a, o, etc
key
insert
From command mode (to line mode)
":" waits for input on last line of screen
"/" search forward for a pattern
"?" search backward for a pattern
! Cursor motion
left h or
down j
up k
right 1 or
start of previous line -
start of next line + or
start of current line 0
start of text on line ^
end of current line $
Top
H, Middle M, Bottom L of screen
scroll up ^U, down ^D
page back ^B, forward ^F
word back b, forward w, end of word e
word back B, forward W, end of word E
goto last line
position in a column 70 70|
! Multiple moves
5w five words forward
5+ five lines forward
G, 1st line lG, 6th line 6G
! Searching
for a string:
forward /, back ?
next same direction n
next reverse direction N
single character "c" on current line:
forward fc, backward Fc
next same direction ;
next reverse direction ,
just before a character:
forward tc, backward Tc
! Insert
until an key
8
insert before cursor i, append after a
before start of line I, at end of line A
open line before current O, after o
iHello inserts the word ‘Hello’
70a- appends 70 dashes
! Delete
char at cursor x, before cursor X
word dw, line dd, end of line D
d5w deletes 5 words
! Change
word cw, line cc, rest of line C
change to end of word ce
change to before next comma ct
! Replace
just one character r
overwrite mode till escape
! Substitute
replaces chars, changes to insert mode
1 char s, next 5 chars 5s, a line S
! Put back the last thing deleted
after cursor p, before P
swap 2 chars xp, swap 2 lines ddp
! Yank
3 words y3w, line Y, 5 lines 5Y
copy a line Yp, make 3 copies Yppp
! Mark point (labels a-z)
Mark a point with label a
Return to marked point a
Delete to marked point a
Yank to marked point a
! Buffers (buffers "a - "z)
link line into buffer a "aY
delete line into buffer a "add
extract from buffer a "ap
R
ma
'a
d'a
y'a