1。key
C for CTRL, M for meta,(ESC for MAC, Alt for others ).
C-A means that you press key CTRL ,and press key A at the same time.. M-x is the same.
2。 Cursor Moving.
C-f, Move forwad a character
C-b, move backward a character
M-f, move forward a word
M-b, move backward a word
C-n, move to next line
C-p, move to previous line
C-a, move to beginning of line
C-e, Move to end of line
M-a,Move to beginning of sentence
M-e.Move to end of sentence
C-v, move to next screen
M-v Move to previous screen
C-l. Move the current content to the center of screen
C-u Num C-f. repeat the cmd C-f for Num times
M-< Move to beginning the file(you have to press shift to type <)
M-> : Move to end of the file
3。C-g, quit the current cmd you just typed in
C-x 1 close the other window
C-d, delete the following character
M-d, delete the folling word
M-<DEL> delete the word before the cursor
C-k, kill from the cursor position to the end of line
M-k, kill to the end of the current sentence
C-@ C-w, kill the text from where you type C-@ to where you type C-w.
C-y, yank the text whick you last kill
4 Undo.
C-x, u
5 files
C-x C-f : find a file
C-x C-s: save the file
C-x C-b :list the buffers
5 Search
C-s (word) search for word, C-s next