00559nam a2200085Ia 4500100001800000245004800018260000900066520037900075583001900454  aRASKIN, Robin  aAntivirus software : keeping up your guard.  c1993  aDiscusses three missions which a protection system must fulfill if it is to effectively quell the threat posed by computer viruses : it must detect viruses already present on the system, it must remove any virus it detects, and it must prevent any subsequent infections.  Presents the results of tests of 24 antivirus software packages designed primarily for standalone PCs.  c3/7/00kM2LMGR