Question

Create any Linux (Ubuntu, Debian, Kali etc) Virtual Machine on your computer. A shell script is a sequence of shell commands written in an executable script file. Executing this file instructs the shell to execute all commands in the order of their appearance in the script file. There is several shell scripting tutorials available on the web, e.g. search by entering the keywords Linux shell script tutorials. Go through one of these tutorials and then write a shell script that displays variouis system parameters by using shell commands like who, whoami, date, hostname, etc.

Answer 1

Step by Step How to Create Kali Linux Virtual Machine:

1. Download the Virtual Box from link above and install it (just a few "next" clicks  ).

2. Open your Virtual Box applicatio

- See more at: http://www.hacking-tutorial.com/hacking-tutorial/10-steps-how-to-create-kali-linux-virtual-machine-in-virtual-box/#sthash.C2cCbUfv.dpuf

The next page it show the memory allocation size. The memory size you set here is depend with your Operating System you want to install. for example if you install Windows 7, maybe the memory you need to put it 1GB.

Create Virtual Machine Memory size Select the amount of memory (RAM) in megabytes to be allocated to the virtual machine. The recommended memory size is 256 MB. 4 MB Next Cancel

the next window we need to choose hard drive file type. If you not sure about what you doing, just leave it default to VDI(Virtualbox Disk Image).

his window tell about file location and size, where we want to put the disk image and how big it is. I give the name Kali Linux, then it will created one file named Kali Linux.vdi (you can use this .vdi file in step 5).

Create Virtual Hard Drive File location and size Please type the name of the new virtual hard drive file into the box below or click on the folder icon to select a different folder to create the file in. Kali Linux Select the size of the virtual hard drive in megabytes. This size is the limit on the amount of file data that a yirtual machine will be able to store on the hard drive. http://vishnuvelentino.com casa 4.00 MB 2.00 TB Create Cancel

who command details
Description	Find who is on the system
Category	User Information
Difficulty	Easy
Root privileges	No
Estimated completion time	5m
Contents Syntax Examples Show list of user logged in Find time of last boot List dead processes List login processes Count all login names Show current runlevel Show all info about logged on users Options Video