Basic file system commands

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@@ -1,5 +1,58 @@
+* Issues to solve 
+** which version of beagles to buy
+- I prefer to use the beaglebone black wi-fi, if it is possible to connect them to Jade's internet
+- Otherwise the ethernet version is preferred to use with usb-internet sharing
+- Install in computer the PuTTY software and some bash option to use. 
 * day-1: Introduction to the beagle-boards and basic applications
 ** Introduction  to the beagle boards. 
+*** Connection  
+    + Basic USB connection
+    + Connect to a IP address
+    + SSH connection 
+    ssh -X debian@192.168.7.2
+    debian:temppwd
+*** Sharing the internet through usb 
+*** Wi-Fi
+To connect to your Wireless network type the following command in the terminal window:
+#+begin_src
+$sudo connmanctl
+connmanctl> enable wifi
+Enabled wifi
+connmanctl> scan wifi
+Scan completed for wifi
+connmanctl> services
+wifi_506583d4fc5e_544e434150413937414239_managed_psk
+connmanctl> agent on
+Agent registered
+connmanctl> connect wifi_506583d4fc5e_544e434150413937414239_managed_psk
+Passphrase? xxxxxxxxxxx
+connected wifi_506583d4fc5e_544e434150413937414239_managed_psk
+connmanctl> quit
+$ping www.google.com
+#+end_src
+*** 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 |
+|-------------------+---------+---------------------------------------+----------------------------------|
+|                   |         |                                       |                                  |
+
+
 ** Beagle software
 ** Developing applications
 ** The linux file system and commands