Untitled

touch home/user/workspace/src/{app.py,helper.py}
touch home/user/workspace/docs/doc{1..2}.txt



chmod 700 home/user/workspace/src/app.py
chmod 640 home/user/workspace/src/helper.py
chmod 600 home/user/workspace/docs/doc1.txt


mv home/user/workspace/src/app.py home/user/archives/app.py
mv home/user/workspace/src/helper.py home/user/archives/helper.py


cp home/user/workspace/docs/doc1.txt home/user/archives/doc1_backup.txt
cp home/user/workspace/docs/doc2.txt home/user/archives/doc2_backup.txt


echo "Documentation updated" >> home/user/workspace/docs/doc1.txt
echo "Documentation updated again" >> home/user/workspace/docs/doc2.txt


chmod 444 home/user/workspace/docs/doc2.txt
chmod 444 home/user/archives/doc2_backup.txt