1 Answer. Since you have not given any information on where you see this I will assume you are running GNU lsof with no arguments and you see 0t0 in the SIZE/OFF column. This, by default, shows the size of the file in question. However, for "special" files, it gives the offset instead.
Sep 3, 2013
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What does the lsof command do?
lsof command stands for List Open Files. This command provides a list of files that are opened. Basically, it gives the information to find out the files which are opened by which process. With one go it lists out all open files in output console.
What does lsof output mean?
lsof is a command meaning "list open files", which is used in many Unix-like systems to report a list of all open files and the processes that opened them.
How to read lsof output?
Anatomy of lsof Output
1
The COMMAND column contains the first nine characters of the name of the UNIX command associated with the process.
2
The PID column shows the process ID of the command.
3
The USER column displays the name of the user that owns the process.
4
The TID column shows the task ID.
How to check deleted files using lsof?
Even if a file has been deleted from the filesystem, a copy of the data is still present: Step 1. To determine where to go, obtain the process id and file descriptor of the process that has the file open by using lsof. Once you've obtained that information from lsof, copy the data from /proc.
Jan 25, 2020 · In lsof command under Ubuntu/Debian, I'm seeing a lot of lines like below: PROGRAM 829 root 140u sock 0,8 0t0 244182 protocol: TCP. What are ...
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lsof meaning 'LiSt Open Files' is used to find out which files are open by which process. In this article, we are going to review the lsof command with ...
Dec 1, 2021 · It means that the actual TCP connection has been made, SYN -> SYN-ACK -> ACK messages exchanged, and the connection can be used (or, well, is ...
Jul 16, 2019 · Introduction. lsof was created by Victor A. Abell and is a utility that lists open files. Everything in Linux can be considered a file.
Oct 19, 2017 · When I execute lsof command to some process IDs I am getting the the following output. lsof +p 27672 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME java ...
Mar 4, 2021 · im using telegraf with grafana to visulize data so far it worked well for me. But i cant figure out how to get the output of the command lsof -i ...
Oct 23, 2013 · The * indicates 'All Addresses' or 'All Ports'. *:* means 'All ports from any address', so any computer connecting to any port will match ...
Dec 10, 2022 · The lsof command stands for List Open Files and shows open files and which process uses them. In Linux, everything is in the form of files.