One of the most crucial pieces of any UNIX-like operating system is the init dæmon process. In Linux, this process is started by the kernel, and it's the first userspace process to spawn and the last ...

I love discovering new UNIX commands, especially those with a system administration flavor. When I learned Red Hat distributed the chkconfig utility, it brought back fond memories of chkconfig under ...

The Linux operating system is powerful and flexible, able to run in several different modes of operation called run levels. When a Linux system starts, a function called "init" is used to configure ...

A vast majority of Linux systems these days are using systemd – a suite of programs aimed at managing and interconnecting different parts of the system. Systemd started replacing the init process back ...

Supporting systemd required changes to the WSL architecture. As systemd requires PID 1, the WSL init process started within the Linux distribution becomes a child process of the systemd. Because the ...