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Linux Processes Guide
Last updated: May 4, 2026
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Basics
- Linux ps Command
- Linux Process States
- What is a .pid File?
- SIGINT And Other Termination Signals in Linux
- Linux Process vs. Thread
- Getting a Process’ Child Processes
- Which Process Has PID 0 ?
- The wait Command in Linux
- Profiling Processes in Linux
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Searching
- Finding the PID of the Process Using a Specific Port
- Get Process ID of Linux Foreground and Background Processes
- Find the Process That Is Using a File in Linux
- How to Find Which Process Was Killed by Linux OOM Killer
- How to Find Heap Memory of a Running Process
- Find Swap Memory Usage by Processes in Linux
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Management
- Process Memory Management in Linux
- Managing Processes in Linux
- How to Cancel a Job
- How to Kill a Background Process in Linux
- Kill a Process Running on a Specific Port in Linux
- Check What Killed a Linux Process
- How to Clean a Linux Zombie Process
- Maximum Number of Threads per Process in Linux
- Linux Job Control: &, disown, and nohup
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Monitoring
- Linux Commands – top
- Get CPU Usage of One Single Process Periodically
- How to Measure Separate CPU Core Usage for a Process
- Limiting Process Resource Consumption in Unix
- Peak Memory Usage of a Linux Process
- Monitor the Thread Count of a Process on Linux
- How to Monitor Disk IO in a Linux System
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