User Switcher, just like sudo but worse
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# US - User {Switcher,Shell}
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Opens a shell as a different user without needing to authenticate as that user.
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This is similar to the behavior of `su` but it allows to execute privileged
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and/or commands as any other user without needing their password.
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It doesn't use PAM, instead relies on shadow files and the passwd database
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to check if the given password is correct. Support for different methods of
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authentication is planned.
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## Installing
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To install use `make install` and to uninstall use `make uninstall`, all
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other documentation is provided as man pages, `man us` will give general
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information about the utility and how to use it and `man us.conf` contains
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info about the config file format.
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## Supported platforms
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All platforms that store the encrypted password in `/etc/passwd` should be
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supported, which to this day are none. Linux is supported through `shadow(3)`
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and OpenBSD through its API. Support for more systems is planned.
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This program is libc-agnostic as (apart from authentication) it is POSIX
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compliant code.
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