Glossary term
What is process? Meaning for developers
In DevOps
A running program. Your Next.js app is one; close the terminal that started it and it dies — unless a process manager owns it.
Learn it properly · DevOpsLesson 1: Linux Fundamentals: Shell, SSH, Users, PermissionsEvery EC2 server is a Linux box with no screen. Filesystem, permissions, users, processes — and the fix for “my app dies when I close the terminal”.In System Design
A running program with its own memory. Example: Each Chrome tab is roughly its own process.
Learn it properly · System DesignLesson 4: Processes, Threads & Concurrency for Backend EngineersMost backend work is waiting. How one server juggles thousands of requests — processes, threads, event loops and lightweight threads — and the race conditions, deadlocks and pool limits that appear the moment it does.In Linux & Shell
A running instance of a program, with its own memory, a number called the PID and an owner.
Learn it properly · Linux & ShellLesson 2: Processes, Signals and Job ControlWhat a process is, ps and top, foreground and background jobs, signals such as SIGTERM and SIGKILL, exit codes, and zombies and orphans.