* Add files via upload
tcsh/en added
* Add files via upload
[tcsh][en]
* Add files via upload
[tcsh][en]
* Add files via upload
[tcsh][en]
* Add files via upload
typos
* Add files via upload
typo at switch
* Add files via upload
tcsh/en added secret-num game as an example
* Add files via upload
competition -> completition
* tcsh/en
one more example to show when needed quotes at =~ and !~
* tcsh/en
Clear explanation about what the '@' does
