Manually lock screen
51574
Is there a similarly fast alternative to Crtl + Shift + Eject for new Macbook that lack eject keys?
154110
Lock screen - password incorrect
36320
Is it possible to “Turn off display” with power button without locking screen like in Windows. (Ubuntu 18.10)
53943
Lock your computer after 5 minutes of inactivity
118181
Changing iphone lock screen programmatically when app is running in background
43380
How do disable lockscreen in android?
60667
How can I lock my screen in Gnome 3 without GDM?
6341
Ubuntu 17.10 and later: Don't suspend when lid is closed, just lock screen
95794
How can I automatically switch off internal screen when an external screen is connected?
53807
How to make the lock screen look like the login screen?
153708
How to change real screen timeout settings for the Lock Screen?
85435
How to automatically bring an activated window to the foreground?
147364
How to disable the Windows swipe-away screen lock, without disabling the password?
121813
Screen timeout versus secured lock time
25015
Why doesn't my screen lock in XFCE?
149847
Transparent locked screen
29382
Custom Lock Screen Implementation Techniques