*** Organisation #5: Emacs refresher
**** Lecture content
***** Objective: get confident with emacs commands
***** Find out and document how to do the following steps
****** DONE Search for something forward C-s
       CLOSED: [2020-05-01 금 21:40]
****** DONE How to continue searching C-s C-s
       CLOSED: [2020-05-01 금 21:43]
****** DONE Search for something backward C-r
       CLOSED: [2020-05-01 금 21:55]
****** DONE Search for regular expressions instead of string (forward, backward) C-M-s C-M-r
       CLOSED: [2020-05-01 금 22:25]
****** DONE Go to the beginning of the line C-a
       CLOSED: [2020-05-01 금 22:16]
****** DONE Go to the end of the line C-e
       CLOSED: [2020-05-01 금 22:16]
****** DONE Delete a word in front (to the right of the cursor) M-d
       CLOSED: [2020-05-01 금 22:17]
****** DONE Delete a word in back (to the left of the cursor) M-BackSpace
       CLOSED: [2020-05-01 금 22:18]
****** DONE List all "occurences" of a word in a file M-s o
       CLOSED: [2020-05-01 금 22:53]
******* You can copy above instructions into an emacs buffer
******* And test it by showing all occurences of the word "Search"
****** DONE Search (GREP) for a word in all files in a directory RECURSIVELY M-x rgrep
       CLOSED: [2020-05-01 금 22:46]
****** DONE Save the CURRENT buffer C-x C-s
       CLOSED: [2020-05-01 금 21:55]
****** DONE Save ALL open files C-x-s
       CLOSED: [2020-05-01 금 22:22]
****** DONE Split the window/buffer vertically C-x 2
       CLOSED: [2020-05-01 금 21:48]
****** DONE Split the window/buffer horizontally C-x 3
       CLOSED: [2020-05-01 금 21:48]
****** DONE Switch between the different windows C-x o
       CLOSED: [2020-05-01 금 21:48]
****** DONE Close all buffers besides the active one C-x 1
       CLOSED: [2020-05-01 금 21:47]
******* Don't kill it!
****** DONE Close only the active buffer C-x 0
       CLOSED: [2020-05-01 금 21:54]
******* Don't kill it!
****** DONE Kill the active buffer C-x k
       CLOSED: [2020-05-01 금 21:44]
****** DONE Describe/Explain the difference between closing and killing
       CLOSED: [2020-05-01 금 22:09]
******* closing is that emac do not display the buffer. and the contents on the buffer are kept on behined screen.
******* killing is that emac delete the buffer. and if contents are not stored, it is losted
****** DONE Switch between buffers that are not shown C-x b
       CLOSED: [2020-05-01 금 21:51]
******* DONE Document two very similar, but slightly different ways
	 CLOSED: [2020-05-01 금 23:28]
******** C-x b is that the selected buffer is displayed on the focused window
******** C-x 4 b is that the selected buffer is displayed on the new window
***** Outcome
****** DONE Document all above commands in your learning org sheet
       CLOSED: [2020-05-01 금 23:28]
****** DONE Share your documentation at the end of the session (not before)
       CLOSED: [2020-05-01 금 23:28]