[visual select]
- v
- shift + v, aka V, selects whole lines

[cut]
- cc, cut whole line
- d, deletes yet stores in the buffer
- C, cut from cursor till end of line

[indent]
- shift + >
- shift + <

[copy]
yank
- yy, 1 line
- 10Y, 10 lines

[editing 2 files]
- vim -o file1 file2
- switch by tapping CTRL + w

[navigation]
- G  (goto bottom)
- gg (goto top)