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# Create directories mkdir projects mkdir -p projects/webapp/src # create nested directories # Create files touch index.html touch file1.txt file2.txt file3.txt # create multiple # Copy files cp source.txt destination.txt cp -r source_dir/ dest_dir/ # copy directory recursively # Move/rename files mv oldname.txt newname.txt mv file.txt ~/Documents/ # Delete files rm file.txt rm -rf directory/ # remove directory and contents (CAREFUL!) rm -i file.txt # ask for confirmation # View file contents cat file.txt # display entire file head -n 20 file.txt # first 20 lines tail -f /var/log/app.log # follow log file in real-time less file.txt # paginated view (q to quit) # Find files find . -name "*.log" # find by name find /var -size +10M # find files larger than 10MB find . -newer file.txt # find files newer than file.txt
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