echo žšč
echo žšč | grep -o .
echo "Příliš žluťoučký koníček" | grep -o . | sort | uniq -c | sort -nr
echo "Příliš žluťoučký koníček" | grep -o . 
echo "Příliš žluťoučký koníček" | grep -o . | sort
echo "Příliš žluťoučký koníček" | grep -o . | sort | uniq -c
echo "Příliš žluťoučký koníček" | grep -o . | sort | uniq -c | sort -nr
echo "Příliš žluťoučký koníček" > test.txt
hexdump -C test.txt
echo žlutý > zluty-utf8
ls -l zluty
ls -l zluty.txt 
ls -l zluty-utf8 
hexdump -C zluty-utf8 
cat zluty-utf8 | iconv -f utf8 -t iso-8859-2 > zluty-il2
cat zluty-utf8 | iconv -f utf8 -t cp1250 > zluty-win
ls zluty-*
ls zluty-* -l
emacs
gedit
ls
mkdir playgroud3
mv playgroud3/ playground3
cd playground3/
echo žlutý > zluty.utf8
cat zluty.utf8 | iconv -f utf8 -t cp1250 > zluty.cp1250
ls
ls -l
unix2dos zluty.cp1250
ls -l
hexdump -C zluty.cp1250
file *
gedit capital-As.txt
ls
less capital-As.txt 
hexdump -C capital-As.txt 
rm *
man ls
echo one two thre one two three more more more > toyfile
less toyfile 
echo "one\ntwo\nthre\none\ntwo\nthree\nmore more more" > toyfile
cat toyfile 
echo "one\ntwo\nthre\none\ntwo\nthree\nmore\nmore\nmore" > toyfile
man echo
echo -e "one\ntwo\nthre\none\ntwo\nthree\nmore\nmore\nmore" > toyfile
cat toyfile 
which echo
type echo
help echo
ls
ls -l toyfile 
touch secondfile
hexdump -C toyfile 
cat toyfile 
less toyfile 
ls ../../*txt
ls ../*txt
less ../*txt
less ../history.txt 
gedit ../history.txt 
less ../history.txt 
ls
gedit editortoyfile
ls -l
diff editortoyfile toyfile 
wc -l toyfile 
cat toyfile 
cat toyfile | head -n 5
cat toyfile | head -n -5
cat toyfile 
cat toyfile | tail -n 2
cat toyfile | tail -n +2
cat toyfile | head -n 5 | tail -n 2
cat toyfile | head -n 50 | tail -n 2
cat toyfile 
cat toyfile | wc -l
cat toyfile | uniq
cat toyfile | sort | uniq
cat toyfile | sort | uniq | wc -l
cat toyfile | sort | uniq -c 
cat toyfile | sort | uniq -c | sort -n
cat toyfile | sort | uniq -c | sort -nr
cat toyfile | sort | uniq | grep o
cat toyfile | sort | uniq | grep th
set
set | grep $USER
set | grep $USER | wc -l
clear
unzip https://ufal.mff.cuni.cz/~zabokrtsky/courses/npfl125/data/udhr.zip
wget https://ufal.mff.cuni.cz/~zabokrtsky/courses/npfl125/data/udhr.zip
unzip udhr.zip 
less udhr/eng 
less udhr/eng 
less udhr/eng | sed 's/ /\n/g'
less udhr/eng | sed 's/ /\n/g' | sort | uniq -c | sort -nr | head
less udhr/eng | grep -o . | sort | uniq -c | sort -nr | head
less udhr/eng | grep -o .. | sort | uniq -c | sort -nr | head
echo hello | grep -o .. | sort | uniq -c | sort -nr | head
less udhr/eng | sed 's/ /\n/g' | sort | uniq -c | sort -nr | hea
less udhr/eng | sed 's/ /\n/g' | sort | uniq -c | sort -nr > words
less words 
less udhr/eng | sed 's/ /\n/g'  > words
less words 
less words | tail
less words | head -n1 -1 | tail
less words | head -n -1 | tail
less words | head -n -1 > first_column
less words | tail -n +1 | less
less words | tail -n +2 | less
less words | tail -n +2 > second_column
head *column
paste first_column second_column | head
paste first_column second_column | sort | uniq -c | sort -nr | head
ls udhr
for file in udhr/*; do wc -w $file; done
for file in udhr/*; do wc -w $file; done | sort -n | less
less udhr/pcm
less udhr/pcm
ls udhr/* | less
ls udhr/* | xargs wc -w | less
ls udhr/ | xargs wc -w | less
ls udhr/ > test1
ls udhr/* > test2
ls udhr > test3
ls test* -l
head test*
pwd
echo $PWD
for file udhr/* ; do echo "$PWD$file"; done
for file in udhr/* ; do echo "$PWD$file"; done
for file in udhr/* ; do echo "$PWD/$file"; done
ls $PWD/udhr/*
man ls
gedit freq.sh
ls
paste first_column second_column | freq.sh
chmod freq.sh 
chmod u+x freq.sh 
mkdir bin
ls -la bin/
ls -l
cp *sh bin/
chmod a-x bin
bin/freq.sh 
ls -l
ls bin
paste first_column second_column | freq.sh
paste first_column second_column | ./freq.sh
freq.sh
echo $PATH
cp freq.sh /afs/ms/u/z/zabokrtsky/mybin/
gedit Makefile