If we want to work faster we need to know keyboard shortcuts. Always using mouse sometime boring. Even though, I don't know all keyboard shortcuts. I am going to keep the common used keyboard shortcut!
Shortcut in Debian Linux
These shortcut works on Debina based Linux and Gnome
Navigation
| Super+Shift+Left/Right | Move window to left/right monitor |
| Ctrl+Alt+Tab | Switch System Controls |
| Super+Tab | Switch Applications |
| Alt+Esc | Switch Window Directly |
System
| Super+L | Lock Screen |
| Super+A | Show All Notifications |
| Alt+F2 | Run Command Prompt |
| Supper or Super+s | Overview |
| Logout | Ctrl+Alt+Delete |
Window
| Alt+F7 | Move Window |
| Alt+F8 | Resize Window |
| Alt+Up/Down | Restore Window |
| Super+Left/Right | Split on Left/Right |
| Alt+F4 | Close Window |
| Super+h | Hide Window |
Application Shortcut
If the applications are gnome based, same shortcut should work on different distros
Vmware Workstation
| Ctrl+Alt+Enter | Enter Full Screen |
| Alt then Alt+Enter | Exit Full Screen |
| Ctrl+Alt+Left/Right | Switch To next vm in Full Screen Mode |
Gnome Terminal
| Shift+Ctrl+T | New Tab |
| Shift+Ctrl+W | Close Tab |
| Shift+Ctrl+C | Copy |
| Shift+Ctrl+V | Paste |
| F11 | Full Screen |
| Ctrl+ +/- | Zoom in/out |
| Shift+Ctrl+F/G/H | Find and Find next/previous |
| Ctrl+Left/Right/1..2 | Switch Tabs |
| Shift+Ctrl+Up/Down | Scroll up down |
| Shift+Home/End | Scroll to Top/End |
| Ctrl+U/K | Delete a Line while cursor at the end/start |
| Ctrl+Y | Paste from clipboard |
| Ctrl+R/P | Reverse Incremental/Non-Incremental Search |
Nautilus
| Ctrl+h | Show/Hide Hidden Files |
| Ctrl+R | Refresh |
| F9 | Toggle Side Pane |
| Alt+Left | Go Back |
| Alt+Right | Forward |
| Alt+Home | Go Home |
| Ctrl++/- | Zome in/Zoom Out |
| Ctrl+0 | Reset Zoom |
| Ctrl+L | Go to location bar |
| Ctrl+Shift+N | Create New Folder |
| F2 | Rename File |
| Alt+Enter | File Properties |
| Shift+Ctrl+Mouse drag | Create symbolic link |
Google Chrome
| Ctrl+N | Open new window |
| Ctrl+Shift+N | New Incognito Window |
| Ctrl+T | Open New Tab |
| Ctrl+Tab/Right/Left | Navigate to tabs |
| Ctrl+1..8 | Navigate tabs by tab numbers |
| Ctrl+9 | Go to last tab |
| Ctrl+F4 | Close Current Tab |
| Alt+F4 | Close Current Window |
| Alt+F | Chrome Menu |
| F12 | Developer Tools |
| Ctrl+Shift+O | Bookmarks Manager |
| Ctrl+L or F6 | Focus on Location Bar |
| Ctrl+S | Save Current Page |
| Ctrl+Shift+R | Reload without cache |
| Tab | Navigate to clickable Items |
| Shift+Tab | Navigate from the End to Clickable items |
| Ctrl+U | View Source Code |
| Ctrl+D | Bookmark |
| Ctrl+ +/-/0 | Zoom in, Zoom out and default size |
| Ctrl+Backspace | Delete Last word |
Gedit
| Ctrl+O | Open File | |
| Ctrl+N | New File | |
| Ctrl+S | Save File | |
| Ctrl+L | Go to Line Number | |
| Ctrl+Alt+Right/Left | Next Tab | |
| Ctrl+W | Close current Tab | |
| Ctrl+F | Find | |
| Ctrl+H | Find and Replace | |
| Ctrl+Q | Quit Gedit |
Nano
| Ctrl+S | Save File |
| Ctrl+O | Save as |
| Ctrl+K | Delete Current Line |
| Ctrl+X | Exit from nano (Yes/No for save) |
| Alt+6 | Copy Current Line |
| Ctrl+U | Paste Copied Line |
| Ctrl+Q | Backward Search |
| Ctrl+W | Forward Search |
| Alt+Q | Find next occurrence Backward |
| Alt+W | Find next occurrence Forward |
| Ctrl+T | Run command and paste output |
Hope this keyboard shortcut is helpful for someone, at least for me :)!