# Uebung 1
ls /
mkdir "Meine Spielwiese"
cd "Meine Spielwiese"
mkdir doc

# Uebung 2
cp -R /usr/share/doc/bash doc/
mkdir "bash neu"
mv bash/FAQ "bash neu"
mv bash/*.gz "bash neu"
mv "bash neu/FAQ" "bash neu/.faq"
ls -a "bash neu"

# Uebung 3
rm -fr bash
mv "bash neu" bash
ls /usr/lib/*.so

# Uebung 5
ls -S /usr/lib/*.so # sort by file size
ls -t /usr/lib/*.so # sort by modification date
groups poelsterl

# Uebung 6
# less is a simple text file viewer

# Uebung 7
# Open a file with `less <filename>`, press SHIFT+7 and type in the search term
# and press enter so start searching. Pressing N jumps to the next occurence

# Uebung 8
zless bash/README.commands.gz
tar czvf bash.tar.gz bash/
tar cjvf bash.tar.bz2 bash/
tar zjvf bash.tar.gz -C "bash-gz"
tar xjvf bash.tar.bz2 -C "bash-bz2"

# Uebung 9
history 10

# Uebung 10
find /usr/share/doc -name README
find ~ -type d -name ".*"
find ~ -empty