https://marktaguiad.dev/tags/process/ Recent content in Process on marktaguiad.dev Hugo en-us marktaguiad@marktaguiad.dev (Mark Taguiad) marktaguiad@marktaguiad.dev (Mark Taguiad) marktaguiad.dev Sun, 10 May 2026 00:00:00 +0000 https://marktaguiad.dev/post/linux-process-thread/ Sun, 10 May 2026 00:00:00 +0000marktaguiad@marktaguiad.dev (Mark Taguiad) https://marktaguiad.dev/post/linux-process-thread/ <h1 id="table-of-contents">Table of Contents</h1> <nav id="TableOfContents"> <ol> <li><a href="#process">Process</a> <ol> <li><a href="#viewing-processes">Viewing Processes</a></li> <li><a href="#memory-layout">Memory Layout</a></li> </ol> </li> <li><a href="#thread">Thread</a> <ol> <li><a href="#shared-resources-between-threads">Shared Resources Between Threads</a></li> <li><a href="#private-resources-of-threads">Private Resources of Threads</a></li> <li><a href="#user-thread-vs-kernel-thread">User Thread vs Kernel Thread</a></li> <li><a href="#viewing-threads">Viewing Threads</a></li> <li><a href="#thread-identifiers">Thread Identifiers</a></li> </ol> </li> <li><a href="#process-creation">Process Creation</a> <ol> <li><a href="#creation-flow">Creation Flow</a></li> <li><a href="#process-lifecycle">Process Lifecycle</a></li> </ol> </li> <li><a href="#process-states">Process States</a> <ol> <li><a href="#primary-states">Primary States</a></li> <li><a href="#common-modifier">Common Modifier</a></li> </ol> </li> <li><a href="#cpu-scheduling-and-context-switching">CPU Scheduling and Context Switching</a> <ol> <li><a href="#linux-scheduler">Linux Scheduler</a></li> <li><a href="#scheduling-classes">Scheduling Classes</a></li> <li><a href="#time-slices">Time Slices</a></li> </ol> </li> <li><a href="#context-switching">Context Switching</a> <ol> <li><a href="#process-vs-thread-context-switch">Process vs Thread Context Switch</a></li> <li><a href="#viewing-context-switching">Viewing Context Switching</a></li> </ol> </li> <li><a href="#cpu-bound-and--io-bound-processes">CPU-bound and I/O-bound Processes</a></li> <li><a href="#inter-process-communication-ipc">Inter-Process Communication (IPC)</a></li> <li><a href="#signals">Signals</a></li> <li><a href="#zombie-and-orphan-processes">Zombie and Orphan Processes</a></li> <li><a href="#daemon-processes">Daemon Processes</a> <ol> <li><a href="#common-daemons">Common Daemons</a></li> </ol> </li> <li><a href="#process-priority-and-niceness">Process Priority and Niceness</a></li> </ol> </nav> <h3 id="process">Process</h3> <p>It is the current program under execution.</p>