Linux – Restrict lsof Output to Physical Files Only

linuxlsof

How do I tell lsof I need to list only physical files (not sockets, not TCP/IP connections, only physical files)?

Best Answer

Just looked through some man pages, it appears you use the command:

sudo lsof /

This will list all open files in the / directory, which is everything on a Linux filesystem. Just tested and it shows only REG and DIR.

More examples:

lsof -a -d 0-999 -c <command name> /
lsof -a -d 0-999 -p <pid> /

0-999 limits it to files with a file descriptor number.

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Linux – TCP monitoring on a server: comparing netstat vs lsof

I prefer lsof because it's output is consistent across all platforms on which it runs. You can pretty much get the same info from both programs, though. I think it comes down to personal preference.

Linux Bash – How to Sort du -h Output by Size

As of GNU coreutils 7.5 released in August 2009, sort allows a -h parameter, which allows numeric suffixes of the kind produced by du -h:

du -hs * | sort -h

If you are using a sort that does not support -h, you can install GNU Coreutils. E.g. on an older Mac OS X:

brew install coreutils
du -hs * | gsort -h

From sort manual:

-h, --human-numeric-sort compare human readable numbers (e.g., 2K 1G)

Best Answer

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