The following documentation comment has been logged on the website: Page: https://www.postgresql.org/docs/9.4/tutorial-sql-intro.html Description:
At https://www.postgresql.org/docs/9.4/tutorial-sql-intro.html it is written: $ cd ..../src/tutorial $ make --- $ cd ..../tutorial $ psql -s mydb The four dots are not valid, either remove two of them or replace all four with proper path such as ../..