UNIX/LINUX

Lesson 1

1

20+15=

18+14=

22+35=

45+13=

35

32

57

58

2

This part of the OS is in direct control of the underlying hardware.

What is the Kernal?

3

Applications and system utilities are launched using this

What is a shell/GUI?

4

This refers to the format of a command.

What is its syntax?

5

This includes a prepackaged kernal, system utilities, GUI and application programs

What is a distribution?

Lesson 2

1

This is a pointer to another file.

What is a link

2

These type of devices transfer data on a byte by byte basis.

What is a character oriented device?

3

This top level directory anchors the UNIX file system.

What is root?

4

Files that begin with this are hidden

What is a "."

5

Using ls -l gives a long list view of a file. The 3rd grouping in this entry refers to the number of these associated with the file.

What are links?

Lesson 3

1

This command means "change mode"

What is chmod?

2

This set of permissions is represented by the octal number 4.

What is "read only"?

3

This command will help you search for a file.

What is "find"?

4

This command will change the group a file belongs to

What is chgrp?

5

This command that helps to find a file will not find files recently created because its index is updated only once per day on average.

What is "locate"?

Lesson 5

1

This is a non secure way to remote into another computer.

What is telnet?

2

This is a secure way to login to a remote computer

What is ssh?

3

This command shows the full path from one machine to another, including delay time to each machine.

What is traceroute?

4

This command gives you more information about a particular command.

What is man?

5

This is an alternative to the "man" command

What is info?

Lesson 7 and PPT

1

This command lets you become another user.

What is su?

2

This command will initiate a file system check

What is fsck?

3

This command will add a new user and create their home directory.

What is useradd?

4

The UNIX file system is laid out in this structure.

What is a hierarchical tree structure?

5

This is the parent of all processes

What is the init process?