Linux Basico 7

What command would you type (as root) to change the ownership of somefile.txt from ralph to tony?

• chown ralph:tony somefile.txt

• chmod somefile.txt tony

• chown somefile.txt tony

• chown tony somefile.txt

• chmod tony somefile.txt

1. Typing ls -ld wonderjaye reveals a symbolic file mode of drwxr-xr-x. Which of the following are true? (Choose all that apply.)

• wonderjaye is a symbolic link

• wonderjaye is an executable program.

• wonderjaye is a directory.

• wonderjaye may be read by all users of the system.

• wonderjaye may be written by any member of the file’s group.

Which of the following commands can you use to change a file’s group?

• groupadd

• groupmod

• chmod

• ls

• chown

A file with permissions of 755 can be read by any user on the computer, assuming all users can read the directory in which it resides.

• True

• False

Only root can use the chmod command.

• True

• False

The ____ option causes chown to change ownership on an entire directory tree.

• -L

• -R

• -H

• -P

• -f

The three-character symbolic string _______ represents read and execute permission but no write permission.

• -wx

• --x

• r-x

• rw-

• rwx

The chmod symbolic representation _______ allows all users execute access to a file without affecting other permissions.

• u+x

• u-x

• g+x

• a-x

• a+x

You want to set the sticky bit on an existing directory, subdir, without otherwise altering its permissions. To do so, you would type chmod _____ subdir.

• o+t

• o+w

• a+t

• g+t

• a+w