ruby-cygwin.sh
# ruby
alias ruby='/cygdrive/c/Host/opt/Ruby/2.4/bin/ruby.exe'
alias gem='/cygdrive/c/Host/opt/Ruby/2.4/bin/gem.cmd'
alias bundle='/cygdrive/c/Host/opt/Ruby/2.4/bin/bundle.bat'
alias rails='/cygdrive/c/Host/opt/Ruby/2.4/bin/rails.bat'
# sys
alias la='ls -la'