If you want to have a set of commands run in order, but not use the output from one as the input to the next one, you can. Separating commands with a ; (semicolon) will cause the system to treat each item as if it was entered on a new line after the previous item finished running. Let’s say you have three commands called doctor, rose, and tardis. You could run each in order using this command:
matthew@seymour:~$ doctor ; rose ; tardis
Note that the spaces before and after the semicolon are optional, but they do make the line easier to read.