Go to top of the file: gg
Go to Bottom of the file: G
Go to last line of the current screen: L
Go to middle of the current screen: M
Go to the first line of the current screen: H
Go to Middle of the screen and bring that line to top: Ctrl+d M
Go to last line of the screend and bring that line in the middle of the screen: Lzz
Go to a specific line: <line number gg> for example 10gg will take you to the 10th line in the file.
Get current line in the center of the screen: zz
Get current line on the top of the screen: zt
Get current line on the bottom of the screen: zb
Keep the cursor on the current line and move the sereen up: Ctrl+e
Keep the cursor on the current line and move the screen down: Ctrl+y
Go half screen Down: Ctrl+d
Go half screen Up: Ctrl+u
Go one screen Down: Ctrl+f
Go one screen Up: Ctrl+b
Go to the begining of the line: 0
Go to the end of the line: $
Go to the first non blank character: ^
Go to the last non blank character: g_
Go to the begining of next word: w
Go to the end of next word: e
Go to the previous word: b
Go N% down in the file: <number>% for eg: 20% will take the cursor down to 20% from the top of the file.
Find all occurences of the word under the cursor: *
Setting up the mark: m<reg-name> for eg mn your mark will be set into the register n. If you want to go back to that line number the key strokes are `n.