CSE105_CAP1_filePermissions

What is the purpose of the chmod command in Linux?

• Change file ownership

• Modify file permissions

• Compress files

• Create new directories

Which of the following commands grants execute permission to the user on script.sh?

• chmod u-w script.sh

• chmod a+x script.sh

• chmod 777 script.sh

• chmod u+x script.sh

What does chmod 754 file.txt do?

• Sets file.txt permissions to r--r--r--.
• Sets file.txt permissions to rw-r--r--.
• Sets file.txt permissions to rwxr-x---.
• Sets file.txt permissions to rwxr-xr--.

How do you remove write permission for others on document.txt?

• chmod o-w document.txt
• chmod a-w document.txt
• chmod g-w document.txt
• chmod o+r document.txt

What does chmod 644 file.txt do?

• Allows only the owner to execute the file

• Grants write permissions to the group

• Allows everyone to read the file

• Grants read and write permissions to the owner, read-only for others

What does chmod a+r file.txt do?

• Adds read permission only for the owner
• Adds read permission for all users

• Removes execute permission from all users
• Adds write permission for all users

What does chmod 000 file.txt do?

• Makes the file readable

• Removes all permissions from everyone

• Changes the file permissions to 777

• Grants all permissions to the group

How do you make a script (run.sh) executable for everyone?

• chmod 777 run.sh

• chmod +x run.sh

• chmod a+x run.sh

• All of the above

What is the numerical representation of rwxr-xr--?

• 754

• 765
• 764

• 755

What is the binary equivalent of decimal number 10?