What will the command chmod 644 file.txt do?

• Sets file.txt to rwxrwxrwx

• Sets file.txt to rw-r--r--

• Sets file.txt to r--r--r--

• Sets file.txt to rwxr-xr-x

What does ls -ltr display?

• Long listing sorted by size

• Long listing sorted by reverse modification time

• Long listing with file types

• Long listing with recursive subdirectories

What is the purpose of mv old.txt new.txt?

• Copies old.txt to new.txt

• Renames old.txt to new.txt

• Compares old.txt and new.txt

• Merges old.txt with new.txt

What happens when you run cp -r dir1 dir2?

• Creates hard link between dir1 and dir2

• Copies dir1 recursively into dir2

• Compares contents of dir1 and dir2

• Synchronizes dir1 with dir2

What does mkdir -p projects/docs accomplish?

• Creates projects directory only

• Creates docs directory only

• Creates both projects and docs directories

• Creates temporary projects/docs path

What will rm -i *.tmp do?

• Ignore all .tmp files

• Interactively delete all .tmp files

• List all .tmp files

• Remove only hidden .tmp files

What is the effect of cd ~/Documents?

• Lists Documents directory contents

• Changes to Documents directory in home folder

• Creates Documents directory

• Displays Documents directory permissions

What does pwd | tee path.log accomplish?

• Prints current directory only

• Saves current directory to path.log only

• Both prints and saves current directory

• Changes directory to path.log

What will ls -d */ display?

• All files in current directory

• Only hidden directories

• Only directories in current path

• Directory tree structure

What does chmod u=rwx,g=rx,o= script.sh do?

• Sets script.sh to rwxr-xr-x

• Sets script.sh to rwxr-x---

• Sets script.sh to rw-r-xr--

• Sets script.sh to rwxrwx---