Pacman is the package manager of Arch Linux that installs, upgrades and removes packages and synchronizes the system with its repositories.
PAM, the Pluggable Authentication Modules framework, lets Linux services delegate login, password and session checks to configurable module stacks.
PATH is the environment variable listing the directories a Linux shell searches, in order, to find the executable behind a typed command…
A PPA, or Personal Package Archive, is a third-party APT repository on Launchpad that delivers extra or newer packages for specific Ubuntu…
Pressure stall information (PSI) is a Linux kernel metric showing how much time tasks lose waiting for CPU, memory or I/O resources.
Process priority in Linux is the value the kernel scheduler uses to decide which runnable process gets CPU time first and how…
A process tree in Linux is the hierarchy of running processes linked by parent and child relationships, rooted in PID 1 and…
Proxmox VE is an open-source Linux virtualization platform built on Debian that manages KVM virtual machines and LXC containers from one web…