Linux Admin Ch 4

The command chmod 317 file1 would produce which of the following lines in the ls command?

--wx--xrwx 1 user1 root 0 apr 29 15:40 file1

When applied to a directory, the SGID special permission _________.

Causes all new files created in the directory to have the same group membership as the directory and not the entity that created them

Hard links need to reside on the same filesystem as the target, whereas symbolic links need not be on the same filesystem as the target.

True

You noticed a file in your home directory that has a + symbol appended to the mode. What does this indicate?

d. additional entries exist within the ACL of the file that can be viewed using the getfac1 command

After typing the command umask 731, the permissions on all the subsequently created files and directories will be affected. In this case, what will be the permissions on all new files?

---r--rw-

The root user utilizes the chgrp command to give ownership of a file to another user. What must the root user do to regain ownership of the file?

Run chgrp again listing the root user as the new owner.

What does the /var directory contain?

a. various additional programs

A file has the following permissions: r----x-w-. The command chmod 143 would have the same effect as the command ________.

chmod u=x, g=r, o=wx file1

What are the three standard Linux permissions?

Execute, read, write

What was created to define a standard directory structure and common file location for linux?

FHS

A symbolic link is also known as a soft link and is depicted by an @ symbol appearing at the beginning of the filename when viewed using the ls -l command.

False

What must a user do to run cp or mv interactively and be asked if she wants to overwrite an existing file?

Just type cp or mv, because they run in interactive mode by default

After typing the ls -F command, you see the following line in the output: -rw-r-xr-- 1 user1 root 0 Apr 29 15:40 file1 What does this mean?

User1 has read and write permissions, members of the root group have read and execute permissions, and all others have read permissions on the file

Which of the following commands will change the user ownership and group ownership of file1 to user1 and root respectively?

chown user1:root file1

Which command do you use to rename files and directories?

mv

The default permissions given by the system prior to analyzing the umask are ________ for directories and ________ for files.

rwxrwxrwx and rw-rw-rw-

When you change the data in a file that is hard-linked to three others, _________.

the data in the file you modified as well as the data in all hard-linked files are modified, because they share the same data and all have the same inode and file size.