Display the

complete command

that will accomplish the following actions. (ie. If you were

asked which command would allow you to navigate to the

/var

directory you would display the

following:

cd /va

r

(

NOT

just the

command cd

)

)

1.

Which command allows you to see a list of

only

the previous three commands

that you

executed

?

For example, if the

last three commands I exec

uted were cal, date, and ls this

would be the output of the command:

2.

The command history is kept in a BASH shell variable called HISTSIZE. At the

command prompt enter the following commend:

ec

ho $HISTSIZE

What was the output of this command

?

3.

What command would you use to modify the command history so it only retains your last

250

commands?

In other words, instead of remembering your last 1000 commands in the

history buffer, it will only remember you

r last 250 commands.

4.

What command will

add the

/home/sysadmin/Documents

directory to the PATH

variable?

If y

ou do this correctly, you will see the following output from the echo

$PATH command:

5.

Assuming you do not know the full path to the

cal

command, w

hat command

would you

use to display the full path to

that

command? The output of the command should return

the following:

6.

When I want to get a

detailed

directory listing

I have to type the command

ls

l

but I

want to be more efficient and change this command so I only have to type

lsl

to get the

same output as the

ls

l

command. What command would you use to make this change?

T

h

e

res

ult of this command would produce the following

output

:

7.

What command can you use to find out the name of the

computer you are currently

executing commands on

?

For example, if my computer were named

localhost

I would

see the following output:

8.

What command would you use to display all the files in your current directory that start

with the uppercase letter

V

?

See the example output below:

9.

What command would you use to display

all the

files in your current directory

that are

exactly

6

characters in length?

The output would similar to the following:

10.

What

single

command would you use to display all the files in your current directory that

start with

either a

n uppercase

V

or

M

?

See the example output below:

11.

You would like to run both the

cal

command and the

date

command on the same line so

that both execute but you only need to press the enter key once. How would you do

this

?

See the example output below:

12.

What command would you type to execute the 3

rd

command in your command history list

without

having to r

etype the entire command

?