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lang-bash
sudocan run commands as any user, not just as root? is that an acceptable solution or do you need this to happen in systems with nosudoinstalled? Also, what operating system is this about?echo $USERshows a different value, you can set the environment variableUSER. This does not change anything about the program's privileges, it just changes the value of the variable. If you actually want to run as a different user, then why not use sudo? What do you call “the correct username”? With multiple users involved, there isn't a single user name.