emacs

Question 1

End the Emacs session

Answer 1

C-x C-c

Question 2

View next screen

Answer 2

C-v

Question 3

Move backwards one screen

Answer 3

M-v

Question 4

Clear screen and redisplay all the text, moving the text around the cursor to the center of the screen

Answer 4

C-l

Question 5

Move to previous line

Answer 5

C-p

Question 6

Move backward a character

Answer 6

C-b

Question 7

Move forward a character

Answer 7

C-f

Question 8

Move to next line

Answer 8

C-n

Question 9

Move forward a word

Answer 9

M-f

Question 10

Move backward a word

Answer 10

M-b

Question 11

Move to beginning of line

Answer 11

C-a

Question 12

Move to end of line

Answer 12

C-e

Question 13

Move back to beginning of sentence

Answer 13

M-a

Question 14

Move forward to end of sentence

Answer 14

M-e

Question 15

Move to the beginning of the whole text

Answer 15

M-<

Question 16

Move to the end of the whole text

Answer 16

M->

Question 17

Move forward 16 characters

Answer 17

C-u 16 C-f

M-1 M-6 C-f

C-u C-u C-f

Question 18

Stop a command

Answer 18

C-g

Question 19

One window (i.e., kill all other windows)

Answer 19

C-x 1

Question 20

Center the screen at the top

Answer 20

C-u 0 C-l

Question 21

Delete the character just before the cursor

Answer 21

[del]

Question 22

Delete the next character after the cursor

Answer 22

C-d

Question 23

Kill the word immediately before the cursor

Answer 23

M-[del]

Question 24

Kill the next word after the cursor

Answer 24

M-d

Question 25

Kill from the cursor position to end of line

Answer 25

C-k

Question 26

Kill to the end of the current sentence

Answer 26

M-k

Question 27

Starting mark to kill

Answer 27

C-@

Question 28

Ending mark to kill

Answer 28

C-w

Question 29

kill the text on the line

Answer 29

C-k

Question 30

yank the text back

Answer 30

C-y

Question 31

replace yanked text with the previous kill

Answer 31

M-y

Question 32

undo

Answer 32

C-/ C-\_ C-x u

Question 33

Find a file

Answer 33

C-x C-f

Question 34

Save the file

Answer 34

C-x C-s

Question 35

List buffers

Answer 35

C-x C-b

Question 36

Save some buffers

Answer 36

C-x s

Question 37

Move forward 64 characters

Answer 37

C-u 64 C-f M-6 M-4 C-f C-u C-u C-u C-f

Question 38

Jump to specified line

Answer 38

M-g g

Question 39

Incremental search forward

Answer 39

C-s

Question 40

Incremental search backward

Answer 40

C-r

Question 41

Set mark to the current location

Answer 41

C-SPC

Question 42

Swap point and mark

Answer 42

C-x C-x

Question 43

When you jump to either end of the buffer (M-\< or M-\>) mark is set to…

Answer 43

your previous location

Question 44

When you Exit incremental search mark is set to…

Answer 44

where you began searching

Question 45

When you Yank text mark is set to…

Answer 45

the beginning of the yanked region

Question 46

Make region contain the entire buffer ("Select all")

Answer 46

C-x h

Question 47

When you Insert a buffer or file mark is set to…

Answer 47

the beginning of the inserted text

Question 48

Cycle through mark ring

Answer 48

C-u C-SPC

Question 49

Make region contain the current paragraph

Answer 49

M-h

Question 50

Narrow buffer to the current region

Answer 50

C-x n n

Question 51

Restore ("widen") buffer

Answer 51

C-x n w

Question 52

Kill region ("cut")

Answer 52

C-w

Question 53

Save region to kill ring without deleting ("copy")

Answer 53

M-w

Question 54

exit search at the occurrence found

Answer 54

RET

Question 55

return to where search started

Answer 55

C-g

Question 56

If you exit search at the found occurrence, you can easily jump back to where you started with

Answer 56

C-x C-x

Question 57

Search for most recently searched item

Answer 57

C-s C-s

Question 58

Previous item in search history

Answer 58

C-s M-p

Question 59

Next item in search history

Answer 59

C-s M-n

Question 60

Guide to more commands available in incremental search

Answer 60

C-h k C-s

Question 61

Query replace

Answer 61

M-%

Question 62

Regular expression incremental search

Answer 62

C-M-s

Question 63

prompts you for a regular expression, then displays in a separate buffer a list of all lines in the current buffer which match that regexp (as well as their line numbers). Clicking on any occurrence takes you to that line in the buffer.

Answer 63

M-x occur

Question 64

Shows documentation for the command associated with any particular key

Answer 64

C-h k

Question 65

Shows documentation for any particular command, by name

Answer 65

C-h f

Question 66

Search for commands by keywords or regexp

Answer 66

C-h a

Question 67

get a complete list of all modes running and all the keybindings they introduce

Answer 67

C-h m