:%s/old/new/g
: 1,$s/old/new/g
note : % is all line of current file,
. is current line of current file
$ is last line of current file
1 is first line of current file
:%s/old/new/g
: 1,$s/old/new/g
note : % is all line of current file,
. is current line of current file
$ is last line of current file
1 is first line of current file