Moving a Drupal site to a new host involves backing up the MySQL database and the web-site root directory and storing these on the new host.
rsync is a file synchronization tool for making that the destination files become an exact replica of corresponding files at the source.
vi is a popular text editor that has been available with Unix systems since a long time. One can edit files fast by using vi.
make is a utility for building programs. make concepts, predefined and automatic variables, implicit and pattern rules are explained.
A tutorial for building programs using the make utility. makefile structure, prerequisites, phony targets and variables are explained.
A Linux system provides many services. An init script for a service tells when that service should be started and when it is to be stopped.
The GNU Build System for generating the scripts and makefiles for building and installing a GNU software package is explained.
diff is a program for finding differences between files. patch applies the diff output to the original file(s) to get the second.