comm command by examples
comm is a useful command for us to compare two sorted files line by line. It can be used in multiple scenarios. Before getting into the use cases, let’s understand …
[Unix/Linux] Remove lines that exist in another file
Sometimes, we need to make a file not to contain the lines from another file. It is common when we need to remove some configurations from config files. It is …
Restore dot files in home directory to default on Linux
Introduction We are human. We all make mistakes. Have you ever messed up with your dot files? I did. Luckily, I always have them backed up so that I can …
‘find -ok’ and ‘find -okdir’ by example
Introduction In this article, we will demonstrate the commands find -ok and find -okdir. These commands do the same as find -exec and find -execdir, but they will ask you …
Difference between ‘find -exec’ and ‘find -execdir’ by example
find -exec is a commonly used command. However, some people might not be awared of the command find -execdir and their differences. In this article, we will explain the 2 …