lsof stands for List Open Files.
It is easy to remember lsof command if you think of it as “ls + of”, where ls stands for list, and of stands for open files.
It is a command line utility which is used to list the information about the files that are opened by various processes. In unix, everything is a file, ( pipes, sockets, directories, devices, etc.). So by using lsof, you can get the information about any opened files.
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Linked list is one of the fundamental data structures in C.
Knowledge of linked lists is must for C programmers. This article explains the fundamentals of C linked list with an example C program.
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Linux fsck utility is used to check and repair Linux filesystems (ext2, ext3, ext4, etc.).
Depending on when was the last time a file system was checked, the system runs the fsck during boot time to check whether the filesystem is in consistent state. System administrator could also run it manually when there is a problem with the filesystems.
Make sure to execute the fsck on an unmounted file systems to avoid any data corruption issues.
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od command in Linux is used to output the contents of a file in different formats with the octal format being the default.
This command is especially useful when debugging Linux scripts for unwanted changes or characters.
This article explains how to use od command with some examples.
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In this article, we will discuss some interesting problems on C language that can help students to brush up their C programming skills and help them prepare their C fundamentals for interviews.
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This article is part of our ongoing Linux IPTables series of articles. When things are not working as expected with your IPTables rules, you might want to log the IPTables dropped packets for troubleshooting purpose. This article explains how to log both incoming and outgoing dropped firewal packets.
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As you already know, Linux diff command compares two files.
However Linux diff3 utility compares three files and is also capable of merging the difference between two files into the third one. In this article, we will understand the usage of diff3 command through some examples.
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Profiling is an important aspect of software programming. Through profiling one can determine the parts in program code that are time consuming and need to be re-written. This helps make your program execution faster which is always desired.
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Linux 101 Hacks 2nd Edition eBook - Practical Examples to Build a Strong Foundation in Linux
My name is Ramesh Natarajan. I will be posting instruction guides, how-to, troubleshooting tips and tricks on Linux, database, hardware, security and web. My focus is to write articles that will either teach you or help you resolve a problem. Read more about Ramesh Natarajan and the blog.Copyright © 2008–2024 Ramesh Natarajan. All rights reserved | Terms of Service