One of the commonest things a Linux user will always do on the command line is listing the contents of a directory. As we may already know, ls and dir are the two commands available on Linux for listing directory content, with the former being more popular and in most cases, preferred by users.

When listing directory contents, the results can be sorted based on several criteria such as alphabetical order of filenames, modification time, access time, version and file size. Sorting using each of these file properties can be enabled by using a specific flag.

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