Linux File Permissions & Text Editors Quiz

What command is used to change file permissions in Linux?

• chown

• chmod

• passwd

• ls

In Linux, which of the following is NOT a file permission type?

• Read

• Write

• Modify

• Execute

Which command displays a user’s identity and group information?

• id

• whoami

• pwd

• su

If a file has permissions set to 755, what does the groups and world can do?

• Read and write

• Read and execute

• Only execute

• No access

What is the numeric equivalent of the permission rwxr--r--?

• 744

• 644

• 755

• 700

What does the command chmod 777 filename do?

• Allows only the owner to read, write, and execute

• Allows everyone full access

• Restricts all access

• Gives read and execute access only

What command changes the owner of a file?

• chown

• chmod

• passwd

• ls -l

What does the umask command do?

• Sets the default file permissions

• Changes file ownership

• Lists file permissions

• Modifies user accounts

What is the symbolic notation for removing write permission from group?

• g-w

• o-w

• g+x

• u-w

What does the command chmod u+x script.sh do?

• Removes execute permission from the user

• Adds execute permission for the user

• Removes all permissions for the user

• Adds write permission for the user