/dev
Not much. Depending on your BIOS, you can look at computer information, run hardware diagnostics and modify BIOS settings. You can boot from connected devices (Floppy, CD/DVD, USB etc.) to install windows or linux, or run pen-drive linux or utilities like memtest86+.
linux uses alot less ram than windows 7 (the more ram used the slower the computer). therefore linux makes your computer run faster
Linux
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Designed by Linux, it was originated to run graphic applications on older computer hardware. It was designed by John Andrews.
If the printer is not supported in Linux, you may still be able to print to it by connecting it to an Windows computer and "sharing" it over the network. Make sure you have Samba installed.
By "change port in Linux", I assume you mean changing the default port an application listens or transmits on. This is usually set in the program's settings or configuration file.
BIOS settings are irrelevant to Linux, except for the initial booting where the BIOS loads the bootloader from a medium, which in turn loads the Linux kernel. The only thing the kernel ever needs from the BIOS after that is to provide power management functions (ACPI). Thus, all settings not related to either booting or power management are ignored.
Most Linux applications store files somewhere int he user's home directory, either in a folder of their own (such as .applicationname) or as a single configuration file. Deleting the configuration file should return the game to the default settings. Alternatively, you can try modifying the settings file and fixing the bad resolution manually.
This depends very much on the Linux distro you are using and the printerand also on the type of interface used for connecting the printer to the computer. Please ask the question again providing some additional information.Also, CUPS is nice.
in GUI network manager in CLI ifconfig
No.
If you mean what is the purpose of sharing a printer via Samba on Linux, the answer is the same as why you would share a printer between Windows machines. To make the printer accessible to other users on the network.
linux files dont need extensions
Default
The only "default setting" when adding a user in Linux is that they are created as part of their own group, unless specified otherwise while being created. Until the user changes their settings, system-wide settings for applications are used; these are typically stored in the configuration directories somewhere in /etc.
http://unixmen.com/hardware-linux/72-installation-canon-lbp2900-on-linux