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  2. zram - Wikipedia

    en.wikipedia.org/wiki/Zram

    zram, formerly called compcache, is a Linux kernel module for creating a compressed block device in RAM, i.e. a RAM disk with on-the-fly disk compression. The block device created with zram can then be used for swap or as general-purpose RAM disk. The two most common uses for zram are for the storage of temporary files (/tmp) and as a swap ...

  3. List of Linux distributions that run from RAM - Wikipedia

    en.wikipedia.org/wiki/List_of_Linux...

    Tiny Core Linux is an example of Linux distribution that run from RAM. This is a list of Linux distributions that can be run entirely from a computer's RAM, meaning that once the OS has been loaded to the RAM, the media it was loaded from can be completely removed, and the distribution will run the PC through the RAM only.

  4. Memory paging - Wikipedia

    en.wikipedia.org/wiki/Memory_paging

    Windows 95, Windows 98 and Windows Me use a similar file, and the settings for it are located under Control Panel → System → Performance tab → Virtual Memory. Windows automatically sets the size of the page file to start at 1.5× the size of physical memory, and expand up to 3× physical memory if necessary.

  5. Read-only memory - Wikipedia

    en.wikipedia.org/wiki/Read-only_memory

    For example, users modifying or replacing the Android operating system describe files containing a modified or replacement operating system as "custom ROMs" after the type of storage the file used to be written to, and they may distinguish between ROM (where software and data is stored, usually Flash memory) and RAM. ROM and RAM are essential ...

  6. zswap - Wikipedia

    en.wikipedia.org/wiki/Zswap

    One of the alternatives to zswap is zram, which provides a similar but still different "swap compressed pages to RAM" mechanism to the Linux kernel.. The main difference is that zram provides a compressed block device using RAM for storing data, which acts as a regular and separate swap device.

  7. Boot ROM - Wikipedia

    en.wikipedia.org/wiki/Boot_ROM

    When a system on a chip (SoC) enters suspend to RAM mode, in many cases, the processor is completely off while the RAM is put in self refresh mode. At resume, the boot ROM is executed again and many boot ROMs are able to detect that the SoC was in suspend to RAM and can resume by jumping directly to the kernel which then takes care of powering on again the peripherals which were off and ...

  8. Option ROM - Wikipedia

    en.wikipedia.org/wiki/Option_ROM

    An option ROM for the PC platform (i.e. the IBM PC and derived successor computer systems) is a piece of firmware that resides in ROM on an expansion card (or stored along with the main system BIOS), which gets executed to initialize the device and (optionally) add support for the device to the BIOS.

  9. RAM drive - Wikipedia

    en.wikipedia.org/wiki/RAM_drive

    Mac OS X users can use the hdid, newfs (or newfs hfs) and mount utilities to create, format and mount a RAM drive. A RAM drive innovation introduced in 1986 but made generally available in 1987 [3] [4] by Perry Kivolowitz for AmigaOS was the ability of the RAM drive to survive most crashes and reboots. Called the ASDG Recoverable Ram Disk, the ...