nixCraft 🐧
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The sudo systemctl soft-reboot on Linux is used for performing a userspace only reboot operation. It will reboot the Linux distro without the BIOS, UEFI or the hardware having to perform a complete cold boot. As a result your system reboots in seconds but will not load a new Linux kernel. It is useful to reset userspace (e.g. VMs, docker, any other process).