Shell Programming and Scripting

root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/sbin:/bin/sync
shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
operator:x:11:0:operator:/root:/sbin/nologin
games:x:12:100:games:/usr/games:/sbin/nologin
ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin
nobody:x:99:99:Nobody:/:/sbin/nologin
dbus:x:81:81:System message bus:/:/sbin/nologin
polkitd:x:999:998:User for polkitd:/:/sbin/nologin
unbound:x:998:997:Unbound DNS resolver:/etc/unbound:/sbin/nologin
colord:x:997:996:User for colord:/var/lib/colord:/sbin/nologin
usbmuxd:x:113:113:usbmuxd user:/:/sbin/nologin
saslauth:x:996:76:"Saslauthd user":/run/saslauthd:/sbin/nologin
libstoragemgmt:x:995:994:daemon account for libstoragemgmt:/var/run/lsm:/sbin/nologin
avahi:x:70:70:Avahi mDNS/DNS-SD Stack:/var/run/avahi-daemon:/sbin/nologin
qemu:x:107:107:qemu user:/:/sbin/nologin
avahi-autoipd:x:170:170:Avahi IPv4LL Stack:/var/lib/avahi-autoipd:/sbin/nologin
rpc:x:32:32:Rpcbind Daemon:/var/lib/rpcbind:/sbin/nologin
rpcuser:x:29:29:RPC Service User:/var/lib/nfs:/sbin/nologin
nfsnobody:x:65534:65534:Anonymous NFS User:/var/lib/nfs:/sbin/nologin
rtkit:x:172:172:RealtimeKit:/proc:/sbin/nologin
ntp:x:38:38::/etc/ntp:/sbin/nologin
chrony:x:994:993::/var/lib/chrony:/sbin/nologin
mysql:x:27:27:MariaDB Server:/var/lib/mysql:/sbin/nologin
radvd:x:75:75:radvd user:/:/sbin/nologin
abrt:x:173:173::/etc/abrt:/sbin/nologin
pulse:x:171:171:PulseAudio System Daemon:/var/run/pulse:/sbin/nologin
gdm:x:42:42::/var/lib/gdm:/sbin/nologin
gnome-initial-setup:x:993:991::/run/gnome-initial-setup/:/sbin/nologin
postfix:x:89:89::/var/spool/postfix:/sbin/nologin
sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin
tcpdump:x:72:72::/:/sbin/nologin
acctmgr:x:1000:1000:acctmgr:/home/acctmgr:/bin/bash

cut -f 1,5 -d ':' --output-delimiter=' '  passwd_exmpl

root root
bin bin
daemon daemon
adm adm
lp lp
sync sync
shutdown shutdown
halt halt
mail mail
operator operator
games games
ftp FTP User
nobody Nobody
dbus System message bus
polkitd User for polkitd
unbound Unbound DNS resolver
colord User for colord
usbmuxd usbmuxd user
saslauth "Saslauthd user"
libstoragemgmt daemon account for libstoragemgmt
avahi Avahi mDNS/DNS-SD Stack
qemu qemu user
avahi-autoipd Avahi IPv4LL Stack
rpc Rpcbind Daemon
rpcuser RPC Service User
nfsnobody Anonymous NFS User
rtkit RealtimeKit
ntp 
chrony 
mysql MariaDB Server
radvd radvd user
abrt 
pulse PulseAudio System Daemon
gdm 
gnome-initial-setup 
postfix 
sshd Privilege-separated SSH
tcpdump 
acctmgr acctmgr

awk -F: '!/(root|garbageGoesHere)/ && $5 {print $1,$5}' passwd_exmpl

awk -F: '$5~/^[A-Z].* [A-Z]/ {print $1,$5}' passwd_exmpl

awk -F: '$5~/^[A-Z].*[A-Z]/ {print $1,$5}' passwd_exmpl|tail -58