In order to execute a command on your OS, you need to define it as a Shell method.
Alternatively, you can execute any command via #system even if it is not defined.
unlink(path) Instance Public methods See IO.unlink when path is
[](command, file1, file2=nil) Instance Public methods See
open(path, mode, permissions) â Enumeratoropen(path, mode, permissions) { block } Instance Public methods
rehash Instance Public methods Clears the command hash table.
undef_system_command(command) â self Class Public methods Undefines a command
notify(*opts) Instance Public methods %pwd, %cwd -> @pwd
run_config() Class Public methods include run file.
cat(*filename) â Cat Instance Public methods Returns a
concat(*jobs) â Concat Instance Public methods Returns a
method_added(id) Class Public methods
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