$1.$ Write the absolute pathname to the common area $($highlighted in yellow$).(10$pts$)$

Answer:

$2.$ If you are currently in the common area and you enter the following command: cd $..$

Write the absolute pathname of your current location. $(10$pts$)$

Answer:

$3.$ If you include the following syntax at the end of a command line what will happen? The syntax

is : $|$ more$(10$pts$)$

Answer:

$4.$ What command should you use to produce some output that is the same as the figure below and

what$$s the difference between these four files? $(10$pts$)$

$6.$ Please provide the correct chmod command to set the following permissions: Use the entire

command, Starting with chmod and ending with the filename. $(10$pts$)$

$-$rwxr$--$r$--1$ demissie staff $3$ Dec $1207$:$44$ junk.txt

Answer:

$-$r$-$xrwxr$-$x $1$ demissie staff $3$ Dec $1207$:$44$ junk.txt

Answer:

$-$rwxr$-$xr$-$x $1$ demissie staff $3$ Dec $1207$:$44$ junk.txt

Answer:

$-$rwxrwxrwx $1$ demissie staff $3$ Dec $1207$:$44$ junk.txt

Answer:

$7.$ How do you set permissions for the following:

a$.$ You can modify a file but cannot delete it$.$

b$.$ You can see the file names $($directory content$),$ but you cannot read their contents or modify

them. $(10$pts$)$

Answer:

$8.$ Go to the home $($personal$)$ and try the following $$ls$$ command, examine the results, and explain

each command and what it does. $(10$pts$)$

a$.$ la $/$

b$.$ ls $*$

c$.$ ls $./$

d$.$ ls$.*$

e$.$ ls $/*$

f$.$ ls $*/$

g$.$ ls $/.*$

h$.$ ls$.*/$

i$.$ ls $/*/-$d

j$.$ ls $/*-$d

k$.$ ls $*-$d

l$.$ ls $*-$ad

m$.$ ls $.*-$d

Answer:

$9.$ Given any directory, use the $$ls$$ command to display all files and sub$-$directories starting with

the letter $$D$($Do not list anything in any sub$-$directory.$).(10$pts$)$

Answer:

$10.$ Explain the following error message. Which filenames would a subsequent $$ls$$ display? $(10$pts$)$

$ ls

Abc abd abf abg abh

$ rm abc ab$*$

Rm: Cannot remove $$abc$$: No such file or directory.

Answer:Directions: Please use the following directory structure to answer questions $1$ and $2$:

$4.$ What command should you use to produce some output that is the same as the figure below and what's the difference between these four files? $(10$pts$)$

$5.$ Explain the error messages displayed in the following sequence of commands. $(10$pts$)$Answer: