man pages section 2: System Calls
    
E
 
 effective group ID, set -- setregid ( Index Term Link )
 
 effective user IDs, set -- setreuid ( Index Term Link )
 
 exec -- execute a file ( Index Term Link )
 
 execl -- execute a file ( Index Term Link )
 
 execle -- execute a file ( Index Term Link )
 
 execlp -- execute a file ( Index Term Link )
 
 execv -- execute a file ( Index Term Link )
 
 execve -- execute a file ( Index Term Link )
 
 execvp -- execute a file ( Index Term Link )