etc/casjaysdev/updates/include/dotfiles.sh

Useless cat. Consider 'cmd < file | ..' or 'cmd file | ..' instead.
5
OLDVERSION="$(echo $(cat /etc/casjaysdev/updates/versions/dotfiles.txt | tail -n 1))"

etc/profile.d/zz-colors.sh

color_prompt appears unused. Verify it or export it.
2
color_prompt=yes

etc/profile.d/zz-profile-custom.sh

Tips depend on target shell and yours is unknown. Add a shebang.
1
# Profile Custom Script
Use $(..) instead of legacy `..`.
21
EUID=`id -u`

root/bin/linuxcounter.sh

AT appears unused. Verify it or export it.
123
AT=$( getBin at 2>/dev/null )
IP appears unused. Verify it or export it.
144
IP=$( getBin ip 2>/dev/null )
LASTLOG appears unused. Verify it or export it.
148
LASTLOG=$( getBin lastlog 2>/dev/null )
LS appears unused. Verify it or export it.
151
LS=$( getBin ls 2>/dev/null )
MD5SUM appears unused. Verify it or export it.
154
MD5SUM=$( getBin md5sum 2>/dev/null )
PS appears unused. Verify it or export it.
161
PS=$( getBin ps 2>/dev/null )
PERL appears unused. Verify it or export it.
162
PERL=$( getBin perl 2>/dev/null )
SPATH appears unused. Verify it or export it.
200
SPATH=$( pwd 2>/dev/null )
SHADOW_FILE appears unused. Verify it or export it.
202
SHADOW_FILE="/etc/shadow"
USECRON appears unused. Verify it or export it.
238
USECRON="crontab"
Expressions don't expand in single quotes, use double quotes for that.
425
distribution=$( echo ${release} | ${AWK} '{print $1}' )
Expressions don't expand in single quotes, use double quotes for that.
573
echo $(${CAT} ${PASSWD_FILE} 2>/dev/null | ${AWK} -F':' '{ if($3 >= '${UID_MIN}' && $3 <= '${UID_MAX}') print $0 }' | ${WC} -l)
Note that A && B || C is not if-then-else. C may run when A is true.
589
[ "${OS}" = "Linux" ] && echo $(${GREP} -i "cpu mhz" /proc/cpuinfo | ${HEAD} -n 1 | ${SED} "s/.*: \(.*\)/\1/") || :
Note that A && B || C is not if-then-else. C may run when A is true.
594
[ "${OS}" = "Linux" ] && echo $(${GREP} -i "flags" /proc/cpuinfo | ${HEAD} -n 1 | ${SED} "s/.*: \(.*\)/\1/") || :
Note that A && B || C is not if-then-else. C may run when A is true.
637
[ "${OS}" = "Linux" ] && echo "$(${W} -h | ${CUT} -d " " -f 1 | ${SORT} -u | ${WC} -l)" || :
Expressions don't expand in single quotes, use double quotes for that.
646
space=$( ${DF} -l -P 2>/dev/null | ${EGREP} "^/dev/" | ${SED} "s/ */\ /g" | ${CUT} -d " " -f 1-2 | ${SORT} | ${UNIQ} | ${CUT} -d " " -f 2 | ${AWK} '{s+=$1} END {printf "%d", s}' )