Shows files opened by tasks. The output is like

1
	      0: /dev/null
	      1: /zdtm/live/static/session00.outns
	      2: /zdtm/live/static/session00.outns
	    cwd: /zdtm/live/static
	   root: /
6
	      0: /dev/null
	      1: /zdtm/live/static/session00.out.inprogress
	      2: /zdtm/live/static/session00.out.inprogress
	      3: pipe[18305]
	    cwd: /zdtm/live/static
	   root: /
10
	      0: /dev/null
	      1: /zdtm/live/static/session00.out.inprogress
	      2: /zdtm/live/static/session00.out.inprogress
	      3: pipe[18308]
	    cwd: /zdtm/live/static
	   root: /
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Appreciated-by: avagin@openvz.org