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ITC $5101$ Operating Systems $(7\%$ of final mark$)$

Assignment $1$

$1.$ What do you understand by the term operation system? $[2$ marks$]$

$2.$ What is a shell? How does it work with the kernel?$[1$ marks$]$

$3.$ What language is Linux written in$?$ How does the choice of language make Linux a popular

operating system?$[1$ marks$]$

$4.$ Assuming you are currently under your own home directory, will the following

command work? Explain why?$[1$ marks$]$

cd $/$bin$/$ls

$5.$ Issue the following commands: $[5$ marks$]$

a$.$ Show your working directory.

b$.$ Create a Folder under your home directory and name it CPAN$133$Assignments.

c$.$ Create a subfolder in CPAN$133$Assignments and name it Assignment$1.$

d$.$ Create a file under Assignment$1$ and name it a$1$file.txt$.$

e$.$ Write you first name and your last name in the above file. $($using cat command$)$

f$.$ What is the absolute path to a$1$file.txt$?$

g$.$ What is the relative path to a$1$file.txt assuming your current directory is your home

directory?

h$.$ Assume you are under the directory CPAN$133$Assignments. Issue a command to

display the content of the directory named Assignment$1.$ Use relative pathnames.

i$.$ Assume that your current directory contains the files 'term$-$test', 'term$-$test$1.$txt$\text{'},$

'term$-$test$2\text{'},$ 'term$-$test$2$a$\text{'},$ 'term$-$test$3.$txt$\text{'},$ 'term$-$ test$3$b$\text{'},$term$-$test$4$ and 'term$-$

test$4$a$\text{'}.$ Issue a command to display only the files 'term$-$ test$1.$txt$\text{'}$ and 'term$-$

test$3.$txt$\text{'}$ using wildcards.

j$.$ Issue a command to delete all files that have filenames starting with 'term$-$test$1\text{'},$

'term$-$test$2\text{'}$ and ending with extension $.$txt$$ using wildcards.

k$.$ Assume that you are NOT under your home directory. Enter a command to copy all

files from your home directory beginning with the letter $\text{'}$t$\text{'}$ to the current directory.

SUBMISSION GUIDELINES

$$ Submit a pdf containing your answers to the questions on the submission link $($Assignment$1)$

under the Assignment Submission Folder on Blackboard.

$$ Your document should contain your information: full name, student id and, section number.

$$ If you have any questions regarding the submission guideline ask your instructor.

LATE SUBMISSION will be penalized $5\%$ per day up to $5$ days.