TCMG 303 Exam 1 Complete Questions And Answers
With Real Tests
When was the Unix operating system developed and who developed it? ANS a. Unix was developed in 1969 in
AT&T (formerly Bell Labs)
b. Ken Thompson and Dennis Ritchie developed it
When was the Linux operating system developed, who developed it, and why was it developed? ANS a. Linuz
was created in 1991
b. Linus Torvalds developed Linux
c. Linux was a free operating system in response to the costly alternative Unix software software
Why is Unix/Linux a popular operating system? ANS a. Multiuser, multitasking, multiprocessing
b. Direct inter-processor communication of devices (hardware seen as files)
c. Portability, stability
d. Reliable, better securtiy
What are five compaies that use te Unix/Linux operating system? ANS Google, IBM, Texas A&M, McDonald's,
Facebook
What operating system does the Raspberry Pi commonly use? ANS Debian OS
Describe the Raspberry P hardware (ports, CPU, memory, etc) ANS a. 1 HDMI monitor port
b. USB ports
c. Micro-SD card storage
d. Broadcom BCM2837 CPU (64 bit)
e. Ethernet port (for Bluetooth and WiFi)
Explain the differences between open source and closed operating systems. ANS a. Open source OS: software is
developed by a community of users, Normally free of charge to use, Can be modified to specific hardware or
peripherals
b. Closed source OS: Software is developed by a private company, License fee for usage, Unmodifiable therefore
requiring additional software drivers for integration
, What is the name of the preinstalled software tool that is used to load the operating system on the Raspberry Pi?
ANS Raspbian
What is a system administrator and what are their responsibilities in the IT field? ANS A system administrator is
someone who is responsible for maintaining a multi-user computer environment. Their responsibilities include
configuring and maintaining the computer systems that lean more toward hardware.
What does CLI & GUI stand for and which user base uses each on a day-to-day basis? ANS CLI stands for
Command Line Interface, which only appears in a window for users to navigate and edit used mostly by system
administrators . GUI stands for Graphical User Interface, which is more common to the end users on a day to day
basis
What does the Unix command line format consist of? ANS The Unix command line format consists of a system,
represented by the $, a command, an option, and a an argument
Explain what a shell is in the Unix operating system and give some examples? ANS The shell is an external
interpreter program that creates an environment to run commands by talking to the terminal and run said
command. Some examples are Bourne and Korn
How is the file system structured on the Unix server? ANS The file system is the hierarchy in which any forms of
data such as commands and device are treated as files. Each piece of information is stored in directories and those
directories branch off into subdirectories.
What is the highest level in the Unix file structure? ANS The highest level of the Unix file structure is the root
What are some of the commands used to navigate around in the file system? ANS Some commands used to
navigate around in the file system are ls, pwd, and mv. The ls command is used to list the content in the directory,
the pwd command is used to print the working directory, and the mv command is used to move the file or directory
to another desired location
What does the command "sudo raspi-config" do and why is it used? ANS The sudo raspi -config command
allows the user to run the Raspberry Pi configuration tool. This is used to allow the user to manage their raspberry
pi settings to their specified requirements. It can run from changing the username and password to enable or
disabling the remote access.
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