system(*args) public

Executes cmd in a subshell, returning true if the command gives zero exit status, false for non zero exit status. Returns nil if command execution fails. An error status is available in $?. The arguments are processed in the same way as for Kernel::exec.

The hash arguments, env and options, are same as exec and spawn. See spawn for details.

system("echo *")
system("echo", "*")


config.h main.rb
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