gsum:tldr:50e41  
        The tldr command is a simplified and community-driven version of the man command in Linux. It provides concise and easy-to-understand explanations for various command-line tools and utilities.
In this specific command, tldr -p linux sum, we are asking tldr to provide a summary of the sum command, which is commonly used in Linux. The -p linux flag specifies that we want the summary for the Linux version of sum.
The sum command in Linux is used to calculate and display the checksum and block counts of a given file. The checksum, also known as a hash, is a unique value calculated based on the content of the file. It is commonly used to verify the integrity of files and detect any changes that might have occurred.
By using tldr -p linux sum, we can quickly view a summary of how to use the sum command, its available options, and some examples of its usage.