ls -a
ls -l
ls -al

chmod

mv dir/file.c .

Create File from Template
cat <source> >> <Destination>

Indentation
gg=G

Search
/ forward
? backward

Find and Replace :%s/word/replacement
/g - whole file
/gc - whole file with

Clear Line ^u : ctrl+u

Encrypt :X
remove - :set key=

Change Case Visual Mode + u/U/~

Copy whole line Y

Paste
p - after cursor
P - before cursor

Markings Mark, Jump, Previous m {a-zA-Z}

backtick to move

Moving on screen zz - middle
zt - top
zb - bottom

ctrl + U up
ctrl + D down
ctrl + y up without cursor
ctrl + e down without cursor

e - end of word
w - beginning of word
b - backward to beginning of word
0 - beginning of line

Delete daw : delete the word under the cursor
caw : delete the word under the cursor and put you in insert mode