Useful tips for everyday
Where is my fstab file? The fstab (or file systems table) file is a system configuration file commonly found at /etc/fstab on Unix and Unix-like…
Why is command in / etc / rc.local not executed during startup? I have a single command in my /etc/rc.local script that is supposed to…
How to set zsh to insert mode in Vim? ZSH initially is in INSERT mode (the viins keymap) with each new command prompt. If you…
What is U area explain in detail? An operating system maintains a region called u-area i.e. user area which holds the specific information of process…
What is PID controller PDF? A proportional-integral-derivative controller (PID controller) is a control loop feedback mechanism (controller) widely used in industrial control systems. A PID…
How can I launch a GUI program from a terminal? I like to start GUI programs from the terminal, e.g. emacs myfile.txt. But doing that…
Does my touch screen have a digitizer? Although there are exceptions, most touchscreen devices have a digitizer. Without this otherwise essential component, you wouldn’t be…
What does the modifier key do on a keyboard? Modifier key. In computing, a modifier key is a special key (or combination) on a computer…
Is the qcow2 image format suitable for KVM? The qcow2 image file format for KVM can use AES encryption. The encryption is applied at the…
How do I turn off the touchpad on my Logitech K400R? Without even installing drivers, the Logitech k400r tap-to-click functionality can be turned off by…