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MacBook and OS X Info
Selected OS X keyboard shortcuts
Common OS X shortcuts (Resolve shorts)
| ⌘-F, ⌘-G | Find, find again |
| ⇧⌘-5 | screenshot or screen recording |
| ⇧⌘-6 | screen capture Touch Bar |
| Power button | Press to sleep/wake; Long press to turn off Mac |
Finder and System Shortcuts
| ⇧⌘-C | Open Computer window |
| ⇧⌘-F | Open Recents window |
| ⇧⌘-H | Open my Home folder |
| ⇧⌘-I | Open iCloud drive |
| ⇧⌘-O | Open Docunents folder |
| ⌥⌘-D | Show/hide Dock |
| ⌘-N | Open new Finder window |
| ⌘-↑ | Open folder containing current folder |
| ⌘-↓ | Open the selected item |
| ⌘-delete | Move selected item to Trash |
| ⌘-space | Invoke Spotlight |
| ⌘-tab | Open application switcher; keep ⌘ pressed use Tab to get to app you want to use |
| fn-fn | Launch Dictation, start speaking. Press fn when done. |
| ⌘-` | Move between open windows in currently active app. |
Document Shortcuts
| ⌥-Delete | Delete word to left of insertion point |
| fn-↑ | Page up; scroll up one page |
| fn-↓ | Page down; scroll down one page |
| fn-← | Home: scroll to beginning of document |
| fn-→ | End: scroll to end of document |
| ⌘-↑ | Move insertion point beginning of doc |
| ⌘-↓ | Move insertion point to end of document |
| ⇧⌘-↑ | Select text between insertion point and beginning of the document |
| ⇧⌘-↓ | Select text between insertion point and end of document |
| ∧T | Swap the character behind insertion point with character after it |
Startup Key Combinations
| ⌥⌘-P-R | Reset NVRAM or PRAM |
| ⇧ | Start up in Safe mode |
| ⌘-V | Start up in Verbose mode, you can enter UNIX commands, to exit UNIX mode type command reboot |
Key
| Command (or Cmd) | ⌘ |
| Shift | ⇧ |
| Option (or Alt) | ⌥ |
| Control (or Ctrl) | ⌃ |
| Caps Lock | ⇪ |
| fn |
OS X Annoyances
Change default application
Suppose you want all .xlsx files to open with LibreOffice instead of Numbers. Do the following.
- Find a file with the extension (.xlsx), right click, and Get Info.
- Under Open with, open the dropdown, find the application you want to open this type of file (LibreOffice), and select it.
- Click the Change All… button.
- Confirm that you want to make the change.
From this point on, all files with the same extension will open with this application.
Reset Printing System
From https://www.lifewire.com/reset-mac-printing-system-to-fix-os-x-printer-problems-2259970
If something goes wrong with printing, for example a bad file descriptors error, you need to reset the printing system. If you reset the printing system, you will
- lose all print queues and pending print jobs
- remove all printer preference files
- removes all printers currently in the Printers & Scanners preference pane.
To Reset Printing System:
- Launch System Preferences
- Select Printers & Scanners
- In the Printers and Scanners preference pane, place your cursor in an empty area of the printer list sidebar (where the printers are listed) and right-click; select Reset Printing System from the popup.
- You're asked to confirm. Press Reset.
- You may need to enter administrator password or finger.
The printing system will be reset and you will need to add back your printer.
Determine IP address of Samsung M2830DW printer
- Turn device on
- Press and hold the Cancel (X) button till green light blinks 5 times, then release
- Output is printed. On second page you'll find the IP address.
Play a DVD .iso image
Leawo Blu-ray Player works.
- Mount the .iso (right-click on .iso file, )
- Run Leawo
- See: Open File and the DVD you've mounted
- Right-click on the DVD you want to play
- Play Disk