```
bash`#!/bin/bash
# File and Directory Manipulation Script
# 1. Create a directory
mkdir mydir
# 2. Navigate to the created directory
cd mydir
# 3. Create files
touch file1.txt
touch file2.txt
# 4. List the files in the directory
ls
# 5. Rename a file
mv file1.txt newfile.txt
# 6. Copy a file
cp newfile.txt copiedfile.txt
# 7. Move a file to a different directory
mkdir newdir
mv copiedfile.txt newdir/
# 8. Change directory permissions
chmod 755 newdir
# 9. Remove a file
rm newdir/copiedfile.txt
# 10. Remove a directory
rmdir newdir
# 11. Retrieve the current working directory
current_dir=$(pwd)
echo "Current directory: $current\_dir"
# 12. Check if a file exists
if [ -f newfile.txt ]; then
echo "File exists"
else
echo "File does not ....
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