ruby 2.5.0p0 (2017-12-25 revision 61468) [x86_64-linux]
Python 3.6.4
GNU bash, バージョン 4.4.19(1)-release (x86_64-unknown-linux-gnu)
Copyright (C) 2016 Free Software Foundation, Inc.
ライセンス GPLv3+: GNU GPL バージョン 3 またはそれ以降 <http://gnu.org/licenses/gpl.html>

This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
zsh 5.4.2 (x86_64-unknown-linux-gnu)
cat (GNU coreutils) 8.29
Copyright (C) 2017 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

作者 Torbjorn Granlund および Richard M. Stallman。
-------------------------

puts "Hello, World!"

-------------------------
/dev/fd/63: No such file or directory @ realpath_rec - /proc/10429/fd/pipe:[1424499] (Errno::ENOENT)
-------------------------
Hello, World!
Hello, World!
Hello, World!