Linux in a Nutshell, 6th Edition

Name

global

Synopsis

[address] g[!]/pattern/[commands]

Execute commands on all lines which contain pattern or, if address is specified, on all lines within that range. If commands are not specified, print all such lines. Add a ! to execute commands on all lines not containing pattern. See also v.

Examples

:g/Unix/p            Print all lines containing "Unix"

:g/Name:/s/tom/Tom/  Change "tom" to "Tom" on all lines
                                                containing "Name:"