NOS220 Review (Ch11) Word Scramble
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Question | Answer |
*sum commands | Commands that can be used to verify the checksum on a file where * represents the checksum algorithm. For example, to verify a SHA-1 checksum, you could use the sha1sum command. |
/etc/dumpdates | The file used to store information about incremental and full backups for use by the dump/restore utility. |
archive | The location (file or device) that contains a copy of files; it is typically created by a backup utility. |
bunzip2 command | The command used to decompress files compressed by the bzip2 command. |
bzcat command | A command used to view the contents of an archive created with bzip2 to SO. |
bzip2 command | The command used to compress files using a Burrows-Wheeler Block Sorting Huffman Coding compression algorithm. |
bzless command | A command used to view the contents of an archive created with bzip2 to SO in a page-by-page fashion. |
bzmore command | A command used to view the contents of an archive created with bzip2 to SO in a page-by-page fashion. |
checksum | A calculated value that is unique to a file’s size and contents. |
compress command | The command used to compress files using a Lempel-Ziv compression algorithm. |
compression | The process in which files are reduced in size by a compression algorithm. |
compression algorithm | The set of instructions used to reduce the contents of a file systematically. |
compression ratio | The amount of compression that occurred during compression. |
cpio (copy in/out) command | A command used to run a common backup utility. |
Debian Package Manager (DPM) | A package manager used on Debian and Debian-based Linux distributions. |
dump command | A command used to run a utility that creates full and incremental backups. |
full backup | An archive of an entire filesystem. |
GNU C Compiler (gcc) command | The command used to compile source code written in the C programming language into binary programs. |
GNU zip (gzip) command | A command used to compress files using a Lempel-Ziv compression algorithm. |
gunzip command | The command used to decompress files compressed by the gzip command. |
incremental backup | An archive of a filesystem that contains only files that were modified since the last archive was created. |
KPackageKit utility | A program that can be used to install, update, and remove RPM packages within a desktop environment. |
package dependencies | A list of packages that are prerequisite to the current package being installed on the system. |
package manager | A system that defines a standard package format and can be used to install, query, and remove packages. |
Red Hat Package Manager (RPM) | The most commonly used package manager for Linux. |
restore command | The command used to extract archives created with the dump command. |
rpm command | The command used to install, query, and remove RPM packages. |
software mirrors | Software repositories that host the same RPM or DPM packages as other software repositories for fault tolerance and load balancing of download requests. |
software repositories | Servers on the Internet that host RPM or DPM packages for download. |
system backup | The process whereby files are copied to an archive. |
tape archive (tar) command | The most common command for creating archives. |
tarball | A gzip-compressed tar archive. |
uncompress command | The command used to decompress files compressed by the compress command. |
yum (Yellowdog Updater Modified) command | A program used to install and upgrade software packages. |
zcat command | A command used to view the contents of an archive created with compress or gzip to SO. |
zless command | A command used to view the contents of an archive created with compress or gzip to SO in a page-by-page fashion. |
zmore command | A command used to view the contents of an archive created with compress or gzip to SO in a page-by-page fashion. |
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