Mini Shell

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

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Closes <em>ios</em> and flushes any pending writes to the operating system. The stream is unavailable for any further data operations; an <tt>IOError</tt> is raised if such an attempt is made. I/O streams are automatically closed when they are claimed by the garbage collector.
- !ruby/struct:SM::Flow::P 
  body: If <em>ios</em> is opened by <tt>IO.popen</tt>, <tt>close</tt> sets <tt>$?</tt>.
full_name: IO#close
is_singleton: false
name: close
params: |
  ios.close   => nil

visibility: public