Linux

Question 1

You can view all of the users on a system by looking at the contents of the /e__/passwd file

Answer 1

You can view all of the users on a system by looking at the contents of the /etc/passwd file

Question 2

You can view all the groups on the system and their members by looking in the /etc/g___

Answer 2

You can view all the groups on the system and their members by looking in the /etc/group

Question 3

The most common way to view the permissions of a file is to use ls with the long listing option -l, e.g. ls -l myfile

Answer 3

The most common way to view the permissions of a file is to use ls with the long listing option -l, e.g.
ls -l myfile

Question 4

In Linux, there are two types of files: normal and s_____.

Answer 4

In Linux, there are two types of files: normal and special.

Question 5

Normal files can be identified by a h_____ (-) in their file type fields

Answer 5

Normal files can be identified by a hyphen (-) in their file type fields

Question 6

To see the groups that your user currently belongs to, type:

Answer 6

groups

Question 7

To page down, you can use either the s____ bar, the “Page Down” button on your keyboard, or the CTRL-_ shortcut.

Answer 7

To page down, you can use either the space bar, the “Page Down” button on your keyboard, or the CTRL-f shortcut.

Question 8

To scroll back up, you can use either the “Page Up” button, or the CTRL-_ keyboard shortcut.

Answer 8

To scroll back up, you can use either the “Page Up” button, or the CTRL-b keyboard shortcut.

Question 9

To search for some text in the document, you can type a forward slash “/” followed by the search term. For instance, to search for “mail”, you would type:

Answer 9

/mail

Question 10

To get to another result (after /search), you can type the lower-case _ key:

Answer 10

lt. To get to another result, you can type the lower-case n key (for next)

Question 11

To move backwards to the previous result, use a capital _ instead:

Answer 11

To move backwards to the previous result, use a capital N instead:

Question 12

Red Hat Enterprise Linux sometimes acronym-ed as ____

Answer 12

RHEL

Question 13

To view all of the environment variables that are set for a particular terminal session, run the e__ command:

Answer 13

env command

Question 14

To print out the value of the PATH variable, you may use the e___ command:

Answer 14

the echo command:

echo $PATH

Question 15

A u____ value is a three-digit octal number that determines the permissions for newly created files and directories in UNIX-based systems

Answer 15

A umask value is a three-digit octal number that determines the permissions for newly created files and directories in UNIX-based systems

Question 16

755 in sudo chmod -R 755 means you can do anything with the file or directory, and other users can read and execute it but not alter it.

Answer 16

755 in sudo chmod -R 755 means you can do anything with the file or directory, and other users can read and execute it but not alter it.