man pages section 1: User Commands
    
I
 
 initial label ( Index Term Link )
 
 interprocess communication
  remove a message queue, semaphore set, or shared memory ID — ipcrm ( Index Term Link )
  report status — ipcs ( Index Term Link )
 
 ipcrm — remove a message queue, semaphore set, or shared memory ID ( Index Term Link )
 
 ipcs — report inter-process communication facilities status ( Index Term Link )