commit 59b72a62a65cf30b628394c354b524e854968d68
Author: gmarx <gmarx_cc@itmorelia.edu.mx>
Date:   Sun Jan 30 19:21:43 2022 -0600

    Basic File Systems

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+# Basics of GNU/Linux
+
+## Basic File System Commands
+
+| Name              | Command | options                               | example                          |
+|-——————+———+—————————————+-———————————|
+| List files        | ls      | -a shows all                          | ls -la                           |
+|                   |         | -l long format                        |                                  |
+|                   |         | -R recursive                          |                                  |
+|-——————+———+—————————————+-———————————|
+| Current directory | pwd     | -P prints the physical location       | pwd                              |
+|-——————+———+—————————————+-———————————|
+| Change            | cd      | ..  takes you up a level              | cd /home/gmarx                   |
+| directory         |         | ~   takes you to home directory       | cd ~                             |
+|-——————+———+—————————————+-———————————|
+| Make              | mkdir   | -p make parent directories as needed  | mkdir -p test/example            |
+| directory         |         | -v print a message for each directory | mkdir -p /test/example           |
+|                   |         |                                       | *first example creates           |
+|                   |         |                                       | folders inside the               |
+|                   |         |                                       | current folder, other one        |
+|                   |         |                                       | creates folder in root directory |
+|-——————+———+—————————————+-———————————|
+| Delete a          | rm      | -r recursive (use for directories)    | rm sample.txt                    |
+| file or directory |         | -d remove empty directory             | rm -r test                       |
+|-——————+———+—————————————+-———————————|
+| Copy a file       | cp      | -r recursivec copy                    | cp a.txt b.txt                   |
+| or directory      |         | -u copy only if the source is newer   | cp test-a test-b                 |
+|                   |         | -v verbose (show output)              |                                  |
+|-——————+———+—————————————+-———————————|
+| Move a file or    | mv      | -i prompts before overwrite           | mv a.txt c.txt                   |
+| directory         |         | No -r; Moving into the same directory | mv test example                  |
+|                   |         | performs a renaming                   |                                  |
+|-——————+———+—————————————+-———————————|
+|                   | touch   |                                       |                                  |
+|-——————+———+—————————————+-———————————|
+|                   | more    |                                       |                                  |
+|-——————+———+—————————————+-———————————|
+|                   | cal     |                                       |                                  |
+|-——————+———+—————————————+-———————————|
+|                   |         |                                       |                                  |
+
+*** Terminal 
+| Command | Description            |
+|———+————————|
+| CTRL-c  | Stop current command   |
+| CTRL-z  | Sleep program          |
+| CTRL-a  | Go to start of line    |
+| CTRL-e  | Go to end of line      |
+| CTRL-u  | Cut from start of line |
+| CTRL-k  | Cut to end of line     |
+| CTRL-r  | Search history         |
+| !!      | Repeat last command    |
+| Tab key | Autocompletes          |
+|         |                        |
+|———+————————|
+
+*** Package management 
+| Command                            | Debian               |
+|————————————+-———————|
+| Install a package                  | sudo apt install vim |
+| Upgrade the package in your system | sudo apt upgrade     |
+|                                    |                      |
+|————————————+-———————|
+|                                    |                      |
+
+*** Basic file editing with VIM
+*** Expanding the file system 
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