# Linux Glossary

<table data-full-width="false"><thead><tr><th width="205">Name</th><th>Description</th></tr></thead><tbody><tr><td><strong>BIOS</strong></td><td><strong>B</strong>asic <strong>I</strong>nput/<strong>O</strong>utput <strong>S</strong>ystem</td></tr><tr><td><strong>POST</strong></td><td><strong>P</strong>ower <strong>O</strong>n <strong>S</strong>elf <strong>T</strong>est</td></tr><tr><td><strong>EFI</strong></td><td><strong>E</strong>xtensible <strong>F</strong>irmware <strong>I</strong>nterface</td></tr><tr><td><strong>UEFI</strong></td><td><strong>U</strong>nified <strong>E</strong>xtensible <strong>F</strong>irmware <strong>I</strong>nterface</td></tr><tr><td><strong>GRUB</strong></td><td><strong>GR</strong>and <strong>U</strong>nified <strong>B</strong>oot loader</td></tr><tr><td><strong>ISOLINUX</strong></td><td>Used for booting from removable media</td></tr><tr><td><strong>DAS U-Boot</strong></td><td>Used for booting on embedded devices/appliances</td></tr><tr><td><strong>MBR</strong></td><td><strong>M</strong>aster <strong>B</strong>oot <strong>R</strong>ecord</td></tr><tr><td><strong>udev</strong></td><td><strong>u</strong>ser <strong>dev</strong>ice</td></tr><tr><td><strong>bash</strong></td><td>GNU <strong>B</strong>ourne <strong>A</strong>gain <strong>Sh</strong>ell</td></tr><tr><td><strong>Partition</strong></td><td>A physically contiguous section of a disk, or what appears to be so in some advanced setups.</td></tr><tr><td><strong>Filesystem</strong></td><td>A method of storing/finding files on a hard disk (usually in a partition). </td></tr><tr><td><strong>FHS</strong></td><td><strong>F</strong>ilesystem <strong>H</strong>ierarchy <strong>S</strong>tandard</td></tr><tr><td><strong>DHCP</strong></td><td><strong>D</strong>ynamic <strong>H</strong>ost <strong>C</strong>onfiguration <strong>P</strong>rotocol</td></tr><tr><td><strong>MAC</strong></td><td><strong>M</strong>edia <strong>A</strong>ccess <strong>C</strong>ontrol</td></tr><tr><td><strong>APT</strong></td><td><strong>A</strong>dvanced <strong>P</strong>ackage <strong>T</strong>ool</td></tr><tr><td><strong>GIMP</strong></td><td><strong>G</strong>NU <strong>I</strong>mage <strong>M</strong>anipulation <strong>P</strong>rogram</td></tr><tr><td><strong>SSH</strong></td><td><strong>S</strong>ecure <strong>Sh</strong>ell</td></tr></tbody></table>