There are a few things a mature Unix like Solaris can learn from the other Unixes and slowly the good practices spread. Irix had pkill functionality over 10 years ago ... So here is my Solaris wishlist:
#
# Internet host table
#
127.0.0.1 localhost localhost.localdomain
10.1.1.1 odin odin.valhalla loghost
odin# grpck bin::2:root,bin,daemon bin - Duplicate logname entry (gid first occurs in passwd entry) sys::3:root,bin,sys,adm sys - Duplicate logname entry (gid first occurs in passwd entry) adm::4:root,adm,daemon adm - Duplicate logname entry (gid first occurs in passwd entry) uucp::5:root,uucp uucp - Duplicate logname entry (gid first occurs in passwd entry) lp::8:root,lp,adm lp - Duplicate logname entry (gid first occurs in passwd entry) nuucp::9:root,nuucp nuucp - Duplicate logname entry (gid first occurs in passwd entry) smmsp::25:smmsp smmsp - Duplicate logname entry (gid first occurs in passwd entry) odin#