August 2018
Intermediate to advanced
482 pages
12h 44m
English
Content preview from Practical Linux Security Cookbook - Second Edition
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How to do it...
In this section, we will explore different options that can be used with the lsof command to understand how it works:
- If we just run lsof, it will list all of the open files that belong to any active process on the system. If the output is long, we can use the less command to scroll through the output:
lsof | less
The output which is displayed in the preceding screenshot is shown in columns such as Command, PID, User, FD, Type, Device, and so on, for a better understanding about the files.
The FD column has information about the file's description, such as the Current Working Directory (CWD), Root Directory (RTD), Program ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.