Every machine has system files. These system files handle various processes. When you turn ON a machine, multiple processes start running in the background ensuring the machine will perform correctly.

Shell builtins are commands that are loaded into memory when a shell — such as bash, sh, or zsh — is invoked. The reason for this is that keeping these commands in memory helps ensure that these ...

Most email providers, including Gmail, don't allow you to send executable or ".exe" files. Executable files are programs that require the action of a user to install ...