print the page to PDF(s) 1. choose File -> Export as PDF -> choose your folder or 2. File -> Print (command + p) 3. choose the PDF menu option at the button 4. choose Save as PDF -> choose your folder
zoom in command + =
zoom out command + -
go back webpage command + [
forward webpage command + ]
switch to left tab command + shift + [
switch to right tab command + shift + ]
go to the 1st tab command + left arrow
go to the last tab command + right arrow
PDF (Preview)
rotate right / left picture file or PDF file 1. open the file (picture or PDF) 2. command + r to rotate Right 3. command + L to rotate Left
delete one / some of the pages in PDF 1. open PDF file 2. press option + command + 2 to show the thumbnails 3. click the page and press delete, or 4. hold Shift key and click the pages, then press delete 5. press command + w to save and close it
change the order of pages in PDF 1. open PDF file 2. press option + command + 2 to show the thumbnails 3. click and hold the page, drag it up or down to change the order 4. press command + w to save and close it
zoom in command + =
zoom out command + -
insert / merge with other PDF file(s) 1. open PDF file 2. press option + command + 2 to show the thumbnails 3. drag another PDF file to the current PDF, choose the order you like 4. press command + w to save and close it
preview the PDF without opening Preview space bar or command + y
Finder (folder) and Others
select all files command + a
deselect all files option + command + a
switch program command + tab (hold the command key and press tab key to choose the opened programs you want)
rename file or folder 1. choose a file 2. enter (return) 3. type the name you want 4. enter (return) again
open file or folder command + o
delete file(s) or folder(s) 1. choose the file(s) or folder(s) 2. command + delete
go back folder command + [
forward folder command + ]
create new folder command + shift + n
copy, paste function command + c (copy) command + v (paste)
how to cut 1. copy your source (command + c) 2. cut to your destination (option + command + v)
print (works almost everywhere) command + p
enter or exit full screen mode (not for all Apps) control + command + f
capture the selected area on screen command + shift + 4
capture the selected windows command + shift + 4, then spacebar
to insert special accented characters 1. hold option 2. type anything
move the cursor to the beginning or end of the line command + left or right arrow
small calculator 1. command + spacebar ("Spotlight Search" appears) 2. type 2-1 (you would see the calculation) 3. Press "esc" key to exit it
minimize the window/finder you are working on command + m
minimize all the windows at the same time option + yellow button
close the window(s)/program command + w (close the window or program) command + option + w (close all the windows) command + q (close/quit the program)
force quit program (if you are sure the program hangs) 1. press and hold option key 2. mouse right click icon on the dock 3. choose Force Quit or 1. option + command + esc 2. choose the program and click "Force Quit"
force quit program directly option + shift + command + esc
preview the file without opening the program (not for all file formats) 1. choose the document or picture file 2. space bar or command + y
switch to left folder command + shift + [
switch to right folder command + shift + ]
shutdown directly control + option + command + eject
restart control + command + eject
sleep option + command + eject
spotlight (to search something from the whole system) command + spacebar
to search something from App (safari, mail, Finder...) command + f
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