# Summary [Introduction](README.md) - [Day 1](day_1/README.md) - [Why learn Linux?](day_1/why_linux.md) - [Terminal basics](day_1/terminal_basics.md) - [Packages](day_1/packages.md) - [Tasks](day_1/tasks.md) - [Day 2](day_2/README.md) - [Terminal upgrade](day_2/terminal_upgrade.md) - [Shell glue](day_2/glue.md) - [Shell tricks](day_2/shell_tricks.md) - [Regex](day_2/regex.md) - [CLIs of the day](day_2/clis_of_the_day.md) - [Tasks](day_2/tasks.md) - [Day 3](day_3/README.md) - [Notes](day_3/notes.md) - [CLIs of the day](day_3/clis_of_the_day.md) - [Tasks](day_3/tasks.md) - [Day 4](day_4/README.md) - [Advanced terminal editors](day_4/advanced_terminal_editors.md) - [Shell scripting](day_4/shell_scripting.md) - [Python scripting](day_4/python_scripting.md) - [CLIs of the day](day_4/clis_of_the_day.md) - [Tasks](day_4/tasks.md)