SOME IMPORTANT VIM COMMANDS

SOME IMPORTANT VIM COMMANDS

dd - delete or cut line
yy - copy line
p - paste
n lines
ndd
nyy

search:
/Serchword -  top to bottom
?Searchword - bottom to top
$ - end of the line
^ - start of the line
:$ - end of the file
:n -  n th line
J - (merge)joining lines
u -undo changes
clear && cat <file> | grep searchword
 numbers appear and disappear

se nu
se nonu

replace patterns
1,$s/127.0.0.1/43.242.124.85

1 st word in the line will substitute. to substitute it globally
1,$s/127.0.0.1/43.242.124.85/g

ignore cases
1,$s/127.0.0.1/43.242.124.85/gi

undo changes - u

cat -n <filename> | grep [456]
cat -n <filename> | egrep "4|5|6"

whereever 4,5,6 in the no's of a line will output it

delete lines
:1,3d
:1,5d

search a pattern and cotaining line delete
:1,$g/zabbix/d

delete everything to the current line

:1,.g/pattern/d