Inspect active file locks for the selected process.
Section: Inspection tools
Display file locks
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xExplanation
Helpful when debugging stuck jobs or lock contention.
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Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Inspection tools
Trace system calls with strace
Attach strace to the selected process if installed.
List open files with lsof
Inspect file descriptors for the selected process.
Attach strace manually
Use the PID from htop with a direct shell command.
Inspect CPU affinity from the shell
Complement htop when tracking placement or pinning.