Questions about: system

Short answer: they store temporary system files, including device locks and memory segments shared between different processes. Don't worry, they usually use a fraction of their "size" shown by df /run is, in general, a temporary filesystem (tmpfs) r
From the advanced help guide from Dropbox Monitoring more than 10000 folders The Linux version of the Dropbox desktop application is limited from monitoring more than 10000 folders by default. Anything over that is not watched and, therefore, ignored
Whether you’re resource-conscious, investigating a system slowdown, or, like me, just plain nosey, Ubuntu makes it easy to keep an eye on CPU, RAM and other hardware information. Below are five different ways to monitor system resource usage in Ubunt
This folder contains base executables which are required for minimal system working. These commands are available in runlevel 1 for basic administration. Commands which are available in /bin folder is accessed by every one and can run by every user