This is just an emple of a the interfaces file which holds the ifconfig information.
Location: /etc/network/interfaces
Static IP (example)
#######################
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 208.88.34.106
netmask 255.255.255.248
broadcast 208.88.34.111
[...]

To mount an ISO:
mount -o loop /path_to_iso/filename.iso /mnt/cdrom
To unmount the ISO when done:
umount /mnt/cdrom
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The w command shows who is logged in to the system and what they are doing.
A login, logging in or logging on is the entering of identifier information into a system by a user in order to access that system (e.g., a computer or a website). It generally requires the user to enter two pieces [...]

This is one the most important tools to know and could either cause alot of headaches and save you from them. This is most common text editor in Linux and UNIX. People tend to love it or hate it. Either way, it’s nearly always there in any *nix implementation and just by memorising a few [...]

This command allows use to view who is logged on either interactively at the console or via an SSH session. The who command without parameters gives us the basics.
[root@esx1host firewall]# who
root tty1 Jul 25 10:30
root tty2 [...]

I personally don’t understand why you would want to do this seeing that you would need a very large pen drive and the performance from running anything on USB especially is horrible running a virtual OS, at least to me, doesn’t make sense. But anyways here you go.
First you need to install linux onto a [...]

su

//

The command “su” stands for “switch user”. And it does just that, it switches users.
When it used without parameters, we are specifying to switch to the user root. However, we can use the su command to switch shell to any user account that we know the password of. In the first example, we are [...]

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ifconfig

Used to determine what IP address you have, the equivalent of the ipconfig command in Windows. You can use the command without parameters to view all interfaces, or you can be interface specific, e.g.[root@esx1host] # ifconfig vswif0vswif0    Link encap:Ethernet  HWaddr 00:50:56:49:96:03
          inet addr:192.168.1.7  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:4867312 errors:0 dropped:0 [...]

vmkfstools

Used to manipulate virtual disks at the service console command line. It is used most often for import and export operations, where a virtual disk is converted from monolithic format to sparse format (previously called COW format).There is a great switch with the command -X which can be used to extend the size of [...]