Retain the last executed command on command line Once the command line command is executed it disappears. If you wish to retain the command on the command line then execute the command by preceding it with an ampersand “&”
Change all  ‘String1’ ‘String2’
after execution of the command it will disappear but if the same command is executed in the following way
&Change all ‘String1’ ‘String2’
it will stay on the command line