awk '{ arr[$0]++ }END{for ( i in arr ) { print i, arr[i] } }' file

#!/usr/bin/env sh

# @(#) s1       Demonstrate counting strings in arbitrary text file.

set -o nounset
echo

debug=":"
debug="echo"

## Use local command version for the commands in this demonstration.

echo "(Versions displayed with local utility \"version\")"
version >/dev/null 2>&1 && version bash tr sort uniq grep

echo

FILE=data1
STR=strings1

echo " Input file:"
cat data1

echo
echo " Results of carving, sorting, counting, searching pipeline:"
tr ' ' '\n' <$FILE |
sort |
uniq -c |
grep -f $STR

exit 0

% ./s1

(Versions displayed with local utility "version")
GNU bash 2.05b.0
tr (coreutils) 5.2.1
sort (coreutils) 5.2.1
uniq (coreutils) 5.2.1
grep (GNU grep) 2.5.1

 Input file:
Ekinsud myel irradiate persona chufte spumsuds diagnosable
esplanade dregh.  Minoan victor ighent intellectual otem
ensodsil.  Swibsik exclusion cereal transpacific loin florican
flagellate charm snick.  bulkftp cctuneftp cso bulkftp Adoptive
launch marrow gridiron heredity sulfa cultivable mutate sterile
partisan chamois.  Testamentary miraculous otsonsev silverware
cso bulkftp cctuneftpd meridian?  Scev quarterback hare hood
spectral adrift bourbon bulkftp cctuneftp cso cctuneftp
employed.  Doctrine win benevolent ethic plumbago trailhead men
Mbabane diagnoses incorrect Claire.  Assess yoke summate variate
Freddy fluid Rwanda confine Albany southbound origin.  Keel
Chapman prep blueback thirteen Halpern.  Piss affricate AZ
fanfold Lebanese rollick topocentric butte honorific pretext cso
cso bedevil?  Ers douce Wilhelm deniable seater scherzo.

 Results of carving, sorting, counting, searching pipeline:
      4 bulkftp
      3 cctuneftp
      1 cctuneftpd
      5 cso