The lsof command

list open files 3 examples from the lessons of the IVski Linux Playground — try them in the terminal next to them.

Examples

sudo lsof -i :80

The same question, asked of one port

sudo lsof +L1

Open files that were deleted (link count 0)

sudo lsof | grep deleted

The same, the long way

Lessons that use lsof

• Mission: Port 80 Is Taken
• Mission: Deleted, But Still Full

Related commands

• grep