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--- notes:c4eng [2019/09/19 06:34] – created wedge
+++ notes:c4eng [2020/10/21 18:49] (current) – [Mercurial:] jwhitso2
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 ======C4ENG CLASS NOTES PAGE======
+====Unix/Linux:====
+  * cd - change directory
+    * cd tmp
+  * ~ - home directory
+    * cd ~
+  * / - root directory
+    * cd /
+  * sudo - super user
+    * sudo shutdown -h now
+  * ssh - secure shell to a remote machine
+    * ssh remoteMachine
+    * ssh remoteMachine@ipaddress
+  * mkdir - makes a directory of your choice in current directory
+    * mkdir directoryName
+  * rm - deletes argument file
+    * rm fileName
+  * rmdir - deletes directory in argument with no files inside it
+    * rmdir directory name
+  * touch - makes a file in the current directory with the name of your choice
+    * touch fileName
+  * ls - shows files and directories within current directory
+  * ls -l -shows files and directories within directory with shielding info
+  * nano - a text editor
+    * nano fileName
+  * scp - secure copy to or from a remote machine via local host or remote host
+    * scp fileName user@machine:
+  * make - builds a program based on a make file
+  * whoami - returns the current user
+====Mercurial:====
+  * fixrepo - repository reset
+  * hg status - see states of files
+  * hg add - adds files to repository
+  * hg commit -m "message" - commits to repository with a message
+  * hg push - pushes files to repository
+  * hg update -C - reverts uncommitted changes in the working directory
+  * hg merge - starts a merge between two heads
+====Raspberry Pi:====
+  *sudo shutdown -h now - shutdown Pi
+  *gpio readall - displays the status of the General Purpose Input Output pins on the Pi
+  *gpio mode pinNumber Status - sets the pin number to IN or OUT
+  *gpio write pinNumber Status - sets the value of the pin number to 1(one) or 0(zero)
+====Lab 46 Shell:====
+  *status desig - shows completed class tasks and upcoming due projects