The
make utility (doc) automatically determines which pieces of a large program need to be recompiled, and issues commands to recompile them.useful Linux tips and tricks:
* grep -E "pattern1|pattern2" searches for conjunctions of patterns
* To configure a printer via the CUPS service use http://localhost:631 on a web browser
* nohup abcd & starts the program
abcd in the background in such a way that the subsequent log out does not stop it
