--- !ruby/object:RDoc::RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:RDoc::Markup::Flow::P 
  :body: Opens the given path, returning the underlying file descriptor as a <tt>Fixnum</tt>.
- !ruby/struct:RDoc::Markup::Flow::VERB 
  :body: "   IO.sysopen(&quot;testfile&quot;)   #=&gt; 3\n"
full_name: IO::sysopen
is_singleton: true
name: sysopen
params: |
  IO.sysopen(path, [mode, [perm]])  => fixnum

visibility: public
