IFT 250 FINAL Exam Questions and
Answers 100% Solved | Graded A+
The ________ interacts with the hardware and the _________ interacts
with the user - ✔✔operating system, Shell
A program is synonymous with a process. True or false? - ✔✔False
Every character has a number associated with it. What is it called? - ✔✔the
ASCII value
If you see a prompt like mailhost login:, what do you think mailhost
represents? - ✔✔The machine name
If the system echoes Login incorrect, does it mean that your user-id is
incorrect? - ✔✔Not necessarily, the password could be incorrect
Name the command you used in this chapter to display filenames. - ✔✔ls
Name the command you used in this chapter to display processes - ✔✔ps
Name the command you used in this chapter to display users. - ✔✔who
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,Who are the principal architects of the UNIX operating system? - ✔✔Ken
Thompson and Dennis Ritchie
Why did AT&T virtually give away UNIX to the world? - ✔✔Because it was
prevented byt the US government from selling computer software
Where did BSD UNIX originate? Name some features of UNIX that were
first found in BSD UNIX - ✔✔From the University of California, Berkeley.
vi editor, C shell, symbolic links, and TCP/IP
Which flavor of UNIX is available for free and runs on the PC? - ✔✔Linux
Identify the companies associated with Solaris UNIX. - ✔✔Sun
Identify the companies associated with AIX UNIX - ✔✔IBM
Identify the companies associated with Tru64 UNIX - ✔✔HP (Digital)
What does X/OPEN represent? Who owns the UNIX trademark today? -
✔✔a standards body now merged with The Open Group which owns the
UNIX trademark
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,Who are the two brains behind Linux? - ✔✔Richard Stallman and Linus
Torvalds
What is the distinctive characteristic about the GNU General Public
License? - ✔✔Software developers distributing products under this license
must make the source code public.
Why is UNIX more portable than other operating systems? - ✔✔Because it
is written in C, a high-level language (high-level lanuage can run without
major modifications when moved to another machine.
Can you divide UNIX into two major schools? To which school does Sun's
UNIX belong? - ✔✔Yes, System V (AT&T) and BSD (Berkeley): Sun is
based on BSD but Solaris is based on AT&T's SVR4
Why do UNIX tools perform simple jobs rather than complex ones? -
✔✔because complex jobs can be completed by connecting a number of
these simple ones.
What is the windowing system of UNIX known as? - ✔✔The X Window
system
Name some interpretive languages available on UNIX systems. - ✔✔The
shell, perl, tcl, and python
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, Name three notable Linux flavors. - ✔✔Fedora, SuSE, Ubuntu
2.1 Enter a : and press [Enter]. Next run type :. What do you conclude? -
✔✔The : must be a command that does nothing. The command type :
indicates that the command is built into the shell.
2.2 UNIX commands must be in lowercase and must not have extensions.
True or false? - ✔✔False, you can use uppercase and provide extensions
to command filenames, although convention follows the opposite
2.3 Name three UNIX commands whose names are more than five
characters long. - ✔✔printf, script, and passwd.
2.4 Find out whether these commands are internal or external: echo, date,
pwd, and ls. - ✔✔echo and pwd are internal commands; date and ls are
external.
2.5 If two commands with the same filename exist in two directories in
PATH, how can they be executed? - ✔✔The command that occurs first in
the PATH list would require no special treatment. The other command
needs to be used with a pathname.
2.6 How is the current directory indicated in PATH? - ✔✔With a dot.
4
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Answers 100% Solved | Graded A+
The ________ interacts with the hardware and the _________ interacts
with the user - ✔✔operating system, Shell
A program is synonymous with a process. True or false? - ✔✔False
Every character has a number associated with it. What is it called? - ✔✔the
ASCII value
If you see a prompt like mailhost login:, what do you think mailhost
represents? - ✔✔The machine name
If the system echoes Login incorrect, does it mean that your user-id is
incorrect? - ✔✔Not necessarily, the password could be incorrect
Name the command you used in this chapter to display filenames. - ✔✔ls
Name the command you used in this chapter to display processes - ✔✔ps
Name the command you used in this chapter to display users. - ✔✔who
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,Who are the principal architects of the UNIX operating system? - ✔✔Ken
Thompson and Dennis Ritchie
Why did AT&T virtually give away UNIX to the world? - ✔✔Because it was
prevented byt the US government from selling computer software
Where did BSD UNIX originate? Name some features of UNIX that were
first found in BSD UNIX - ✔✔From the University of California, Berkeley.
vi editor, C shell, symbolic links, and TCP/IP
Which flavor of UNIX is available for free and runs on the PC? - ✔✔Linux
Identify the companies associated with Solaris UNIX. - ✔✔Sun
Identify the companies associated with AIX UNIX - ✔✔IBM
Identify the companies associated with Tru64 UNIX - ✔✔HP (Digital)
What does X/OPEN represent? Who owns the UNIX trademark today? -
✔✔a standards body now merged with The Open Group which owns the
UNIX trademark
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,Who are the two brains behind Linux? - ✔✔Richard Stallman and Linus
Torvalds
What is the distinctive characteristic about the GNU General Public
License? - ✔✔Software developers distributing products under this license
must make the source code public.
Why is UNIX more portable than other operating systems? - ✔✔Because it
is written in C, a high-level language (high-level lanuage can run without
major modifications when moved to another machine.
Can you divide UNIX into two major schools? To which school does Sun's
UNIX belong? - ✔✔Yes, System V (AT&T) and BSD (Berkeley): Sun is
based on BSD but Solaris is based on AT&T's SVR4
Why do UNIX tools perform simple jobs rather than complex ones? -
✔✔because complex jobs can be completed by connecting a number of
these simple ones.
What is the windowing system of UNIX known as? - ✔✔The X Window
system
Name some interpretive languages available on UNIX systems. - ✔✔The
shell, perl, tcl, and python
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, Name three notable Linux flavors. - ✔✔Fedora, SuSE, Ubuntu
2.1 Enter a : and press [Enter]. Next run type :. What do you conclude? -
✔✔The : must be a command that does nothing. The command type :
indicates that the command is built into the shell.
2.2 UNIX commands must be in lowercase and must not have extensions.
True or false? - ✔✔False, you can use uppercase and provide extensions
to command filenames, although convention follows the opposite
2.3 Name three UNIX commands whose names are more than five
characters long. - ✔✔printf, script, and passwd.
2.4 Find out whether these commands are internal or external: echo, date,
pwd, and ls. - ✔✔echo and pwd are internal commands; date and ls are
external.
2.5 If two commands with the same filename exist in two directories in
PATH, how can they be executed? - ✔✔The command that occurs first in
the PATH list would require no special treatment. The other command
needs to be used with a pathname.
2.6 How is the current directory indicated in PATH? - ✔✔With a dot.
4
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
