#10762 (Shared Folders Fail Permissions on Ubuntu 12.04 64 bit Guest On VB 4.1.18 On Win7 AMD64 bit Host) 12.04 LTS (Precise Pangolin) Ubuntu is distributed on five types of images described below. Desktop CD The desktop cd allows you to try Ubuntu without changing your computer at all, and at your option to install it permanently later. This type of cd is what most people will want to use. You will need at least 384MiB of RAM to install from this cd. There are two images available, each for a different type of computer: PC (Intel x86) desktop CD For almost all PCs. 64-bit PC (AMD64) desktop CD Choose this to take full advantage of computers based on the AMD64 or EM64T architecture (e.g., Athlon64, Opteron, EM64T Xeon, Core 2). Server install CD The server install cd allows you to install Ubuntu permanently on a computer for use as a server. PC (Intel x86) server install CD 64-bit PC (AMD64) server install CD Alternate install CD The alternate install cd allows you to perform certain specialist installations of Ubuntu.
PC (Intel x86) alternate install CD 64-bit PC (AMD64) alternate install CD Wubi filesystem archive. Chapter 4. Guest Additions. Chapter 4. Guest Additions The previous chapter covered getting started with VirtualBox and installing operating systems in a virtual machine. For any serious and interactive use, the VirtualBox Guest Additions will make your life much easier by providing closer integration between host and guest and improving the interactive performance of guest systems. This chapter describes the Guest Additions in detail. As mentioned in Section 1.2, “Some terminology”, the Guest Additions are designed to be installed inside a virtual machine after the guest operating system has been installed.
The VirtualBox Guest Additions for all supported guest operating systems are provided as a single CD-ROM image file which is called VBoxGuestAdditions.iso. The Guest Additions offer the following features: Mouse pointer integration To overcome the limitations for mouse support that were described in Section 1.8.2, “Capturing and releasing keyboard and mouse”, this provides you with seamless mouse support. 4.2. Bash Guide for Beginners. Book1. Advanced Bash-Scripting Guide. Variables. 3.2.1. Types of variables As seen in the examples above, shell variables are in uppercase characters by convention. Bash keeps a list of two types of variables: 3.2.1.1. Global variables Global variables or environment variables are available in all shells.
Below is a typical output: 3.2.1.2. Local variables are only available in the current shell. Below is a diff file made by comparing printenv and set output, after leaving out the functions which are also displayed by the set command: 3.2.1.3. Apart from dividing variables in local and global variables, we can also divide them in categories according to the sort of content the variable contains. String variablesInteger variablesConstant variablesArray variables We'll discuss these types in Chapter 10. 3.2.2. Variables are case sensitive and capitalized by default. To set a variable in the shell, use VARNAME="value" Putting spaces around the equal sign will cause errors. Some examples using upper and lower cases, numbers and spaces: 3.2.3. Change the Screen Shot Save File Location in Mac OS X.
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