To list only usernames type the following awk command. awk -F':' '{ print $1}' /etc/passwd Eg: [root@jbsvr u01]# awk -F':' '{ print $1}' /etc/passwd root bin daemon adm lp sync shutdown halt mail news uucp operator games gopher ftp nobody rpm dbus nscd vcsa pcap rpc mailnull smmsp sshd rpcuser nfsnobody haldaemon avahi apache ntp xfs gdm sabayon jboss jbtest apacheds avahi-autoipd oprofile exim oracle orafin amandabackup
Exploring the intersection of technology and management, I share insights on databases, middleware, applications, and IT strategy to help professionals navigate complex systems with clarity and efficiency.