Linux - 101
Freshman in the Linux world
When you start your Linux journey coming from another OS, which is mostly controlled by the GUI (Windows, OSX), you might have a lot of questions.
Although the modern Linux distros provide extremely rich GUIs, the terminal remains the most powerful part of Linux.
Here is some know-how, you might need.
NOTE: All examples below are only tested in Debian-like distros.
Change time and time zone:
Change all files recursively to mod 644: