man pages section 2: System Calls
    
I
 
 I/O
  audit — audit ( Index Term Link )
  multiplexing — poll ( Index Term Link )
 
 initialize an LWP context — _lwp_makecontext ( Index Term Link )
 
 interprocess communication, — pipe ( Index Term Link )
 
 interval timer, get or set value of interval timer — getitimer, setitimer ( Index Term Link )
 
 ioctl — control device ( Index Term Link )