Linux Commands Reference - Complete Linux Command Guide
Comprehensive Linux command reference with 150+ commands. Search, filter by category, and view detailed usage examples.
pgrep
Find process IDs by pattern
Syntax
pgrep [OPTION]... PATTERNCommon Options
-fMatch full command line-uFilter by user-PFilter by parent PID-lList name with PID-aShow full command line-nNewest process only-oOldest process only-cCount matching processesCommon Examples
pgrep nginxFind nginx PIDs
pgrep -l nginxShow PID and name
pgrep -f "python app.py"Match full command line
pgrep -u root -lFind all root processes
pgrep -c nginxCount nginx processes
pgrep -a nodeShow full node commands
pgrep -P 1234Find child processes
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