The lsof command is used to display information about files and processes that are currently open or in use on a Unix-based operating system.
lsof [options]
Display a list of all open files:
lsof
Display a list of all open files for a specific process:
lsof -p <PID>
Display a list of all open files for a specific user:
lsof -u <username>
Display a list of all open network connections:
lsof -i
Display a list of all open files for a specific directory:
lsof +D /path/to/directory
| Option | Description |
|---|---|
-p |
Displays information about a specific PID. |
-u |
Displays information about a specific user. |
-i |
Displays information about open network connections. |
+D |
Displays information about open files for a specific directory. |
-c |
Displays information about open files for a specific command. |
-t |
Displays only the PIDs of the matching processes. |
-h |
Displays help information. |