A.tail-n 100 idss.log B.tail- 100 fidss.log C.tail-n+ 100 idss.log D.head-n 100 idss.log
A.ls-Xidss00[123] B.lsidss0* C.lsidss[*]0[0-9] D.lsidss[0-9]0[0-9]
A.rpm-installidss-1.8.8-7.i386.rpm B.rpm-Uvhidss-1.8.8-7.i386.rpm C.rpm-eidss-1.8.8-7.i386.rpm D.rpm-ivhidss-1.8.8-7.i386.rpm