Linux Command Line

1. What command is used to copy?

Cp

Copy

Mv

All of the above

2. What do the permissions rwxr-wr-w represent numerically?

755

644

000

1 bagillion in hex

3. What command is used to show what is in a directory?

Cd

Sd

Chmod

Ls

4. What would the following command do? # chmod 755 index.html

Modify index.html to be 755 bytes

Change the permissions of index.html to rwxr-xr-x

Change the permissions of index.html to r--r--r--

It would do nothing.

5. What command is used to change the ownership of a file.

Changgrp

Chanown

Chown

Chmod

6. Which command is used to locate files/directories in the file system?

Look

Find

Get

Mkdir

7. What command is used to search files for a pattern?

Find

Ls

Grep

Help

8. What does chattr do?

Allows you to change the secondary attributes on the files and folders making them immutable and unappendable

Runs the chat program

Prints all files on the current screen

Not a valid command.

9. What command would you use to change to the public_html folder for the user jprescott?

A) cd ~/public_html

B) cd public

C) cd /home/jprescott/public_html

Both A and C

10. Which of the following commands will list all files, in long format, with human readable file sizes, along with their inode numbers?

Ls -lt

Ls -lahi

Ls -lah

Ls -t

11. Which command shows a list of open files, directories, libraries, etc that is currently open on the system?

Ls

Show

Lsof