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NOS220 Review (Ch4)

Linux Study Guide - Linux Filesystem Management

QuestionAnswer
/bin directory The directory that contains binary commands for use by all users.
/boot directory The directory that contains the Linux kernel and files used by the boot loader data block.
/dev directory The directory that contains device files.
/etc directory The directory that contains system-specific configuration files.
/home directory The default location for user home directories.
/lib directory The directory that contains shared program libraries (used by the commands in /bin and /sbin) as well as kernel modules.
/media directory A directory typically used for mounting removable media devices.
/mnt directory An empty directory used for temporarily mounting media.
/opt directory The directory that stores additional software programs.
/proc directory The directory that contains process and kernel information.
/root directory The root user’s home directory.
/sbin directory The directory that contains system binary commands (used for administration).
/tmp directory The directory that holds temporary files created by programs.
/usr directory The directory that contains most system commands and utilities.
/usr/local directory The location for most additional programs.
/var directory The directory that contains log files and spools.
chgrp (change group) command The command used to change the group owner of a file or directory.
chmod (change mode) command The command used to change the mode (permissions) of a file or directory.
chown (change owner) command The command used to change the owner and group owner of a file or directory.
cp (copy) command The command used to create copies of files and directories.
data blocks A filesystem allocation unit in which the data that makes up the contents of the file as well as the filename are stored.
Filesystem Hierarchy Standard (FHS) A standard outlining the location of set files and directories on a Linux system.
find command The command used to find files on the filesystem using various criteria.
Group When used in the mode of a certain file or directory, the collection of users who have ownership of that file or directory.
hard link A file joined to other files on the same filesystem that shares the same inode.
Inode The portion of a file that stores information on the file’s attributes, access permissions, location, ownership, and file type.
inode table The collection of inodes for all files and directories on a filesystem.
interactive mode The mode that file management commands use when a file can be overwritten; the system interacts with a user, asking the user to confirm the action.
ln (link)command The command used to create hard and symbolic links.
locate command The command used to locate files from a file database.
mkdir (make directory) command The command used to create directories.
Mode The part of the inode that stores information on access permissions.
mv (move) command The command used to move/rename files and directories.
Other When used in the mode of a certain file or directory, it refers to all users on the Linux system.
Owner The user whose name appears in a long listing of a file or directory and who has the ability to change permissions on that file or directory.
PATH variable A variable that stores a list of directories that will be searched in order when commands are executed without an absolute or relative pathname.
Permissions A list that identifies who can access a file or folder and their level of access.
primary group The default group to which a user belongs.
Recursive A term referring to itself and its own contents; a recursive search includes all subdirectories in a directory and their contents.
rm (remove) command The command used to remove files and directories.
rmdir (remove directory) command The command used to remove empty directories.
source file/directory The portion of a command that refers to the file or directory from which information is taken.
Superblock The portion of a filesystem that stores critical information, such as the inode table and block size.
symbolic link A pointer to another file on the same or another filesystem; commonly referred to as a shortcut.
target file/directory The portion of a command that refers to the file or directory to which information is directed.
touch command The command used to create new files. It was originally used to update the time stamp on a file.
Umask A special variable used to alter the permissions on all new files and directories by taking away select default file and directory permissions.
umask command The command used to view and change the umask variable.
User When used in the mode of a certain file or directory, the owner of that file or directory.
which command The command used to locate files that exist within directories listed in the PATH variable.
Created by: Sumbunny