000			00367nam a2200157Ia 4500
008			180712s9999 xx 000 0 und d
020			_a9788173660788
082			_a5.43 _bDOU
100			_aDougherty, Dale
245			_aSed & awk
250			_a2nd ed.
260			_aBrijing _bO'Reilly _c2013
300			_axxii, 407 p.
650			_aOperating systems
942			_cR
999			_c36389 _d36389