getent(1) -- Linux man page
NAMEgetent - get entries from administrative database
SYNOPSISgetent database [key ...]
DESCRIPTIONThe getent program gathers entries from the specified administrative database using the specified search keys. Where database is one of aliases, ethers, group, hosts, netgroup, networks, passwd, protocols, rpc, services or shadow.
AUTHORgetent is written by Thorsten Kukuk for the GNU C Library.