unshadow:tldr:12db5

The command "sudo unshadow ${path-to-passwd} ${path-to-shadow}" is used to combine the contents of the "passwd" and "shadow" files to create an unshadowed file. Here's a breakdown of the command:

• "sudo": It is a command used in Linux and Unix-like operating systems that allows a user with administrative privileges to execute a command as the superuser or another user.
• "unshadow": It is a utility in Linux that combines the content of the "passwd" and "shadow" files.
• "${path-to-passwd}": It is a placeholder representing the path or location of the "passwd" file. Replace it with the actual path, such as "/etc/passwd", where the "passwd" file is located.
• "${path-to-shadow}": It is a placeholder representing the path or location of the "shadow" file. Replace it with the actual path, such as "/etc/shadow", where the "shadow" file is located.

When executed, this command will merge the information from both the "passwd" and "shadow" files into a single unshadowed file. The unshadowed file can be used by various password cracking tools to analyze the user accounts and their associated password hashes, making it easier to attempt password cracking or security testing. Note that this command typically requires root or administrative privileges, indicated by the usage of "sudo".