Xshell is a C shell.
[***] Xsh [xsh (15.x.x)].
[***] Usage: xsh --option1 --option2 'args' ... --command|-c 'file'
[***] Commands:
[-h] --help
[-v] --version
[***] Options:
--color
--verbose
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Antonio Cao GNU/Linux (c) 2015