000			00329nam a2200133Ia 4500
008			241226s9999 xx 000 0 und d
020			_a0
082			_a5.13 _bPRA
100			_aPrakash Dev
245		0	_aUnix concepts and applications
260			_aNew Delhi : _bCyber Tech Pub., _c2021.
350			_a205
650			_aManagement
999			_c166977 _d166977