Chapter 3 - Exploring Linux Filesystems Flashcards
A metacharacter used to represent a user’s home directory.
~ metacharacter
The full pathname to a certain file or directory starting from the root directory.
absolute pathname
A file that contains machine language (binary 1s and 0s) and stores information (such as common functions and graphics) used by binary compiled programs.
binary data file
A Linux command used to display (or concatenate) the entire contents of a text file to the screen.
cat command
A Linux command used to change the current directory in the directory tree.
cd (change directory) command
One of the two modes in vi; it allows a user to perform any available text-editing task that is not related to inserting text into the document.
command mode
The joining of text together to make one larger whole. In Linux, words and strings of text are joined together to form a displayed file.
concatenation
A Linux command that compares the contents of text files to identify any differences.
diff command
A special file on the filesystem used to organize other files into a logical tree structure.
directory
A variant of the grep command used to search files for patterns, using extended regular expressions.
egrep command
A popular and widespread text editor more conducive to word processing than vi. It was originally developed by Richard Stallman.
Emacs (Editor MACroS) editor
A file that can be executed by the Linux operating system to run in memory as a process and perform a useful function.
executable program
A variant of the grep command that does not allow the use of regular expressions.
fgrep command
A Linux command that displays the file type of a specified filename.
file command
The process of using wildcard metacharacters within a command to match multiple files or directories.
file globbing
The user-friendly identifier given to a file.
filename
A series of identifiers following a dot ( . ) at the end of a filename, used to denote the type of the file; the __________________ .txt denotes a text file.
filename extension
A common text editor used within GUI environments.
gedit editor
A Linux command that searches files for patterns of characters using regular expression metacharacters. The command name is short for “global regular expression print.”
grep command
A Linux command that displays the first set of lines of a text file; by default, the ____ command displays the first 10 lines.
head command
A directory on the filesystem set aside for users to store personal files and information.
home directory
One of the two modes in vi; it allows the user to insert text into the document but does not allow any other functionality.
insert mode
One of the two modes in vi; it allows the user to insert text into the document but does not allow any other functionality.
insert mode
A Linux command used to display a text file page-by-page on the terminal screen; users can then use the cursor keys to navigate the file.
less command
The files that represent the same data as other files.
linked file
An alias for the ls –l command; it gives a long file listing.
ll command
A file that contains past system events.
log file
A Linux command used to list the files in a given directory.
ls command
A Linux command used to display a text file page-by-page and line-by-line on the terminal screen.
more command
A temporary connection that sends information from one command or process in memory to another; it can also be represented by a file on the filesystem.
named pipe file
A user-friendly terminal text editor that uses Ctrl key combinations to perform basic functions.
nano editor
A Linux command used to display the contents of a file in octal format.
od command
The directory that is one level closer to the root directory in the directory tree relative to your current directory.
parent directory
A Linux command used to display the current directory in the directory tree.
pwd (print working directory) command
The special metacharacters used to match patterns of text within text files; they are commonly used by text tool commands, including grep.
regular expressions (regexp)
The pathname of a target directory relative to your current directory in the tree.
relative pathname
A text file that contains a list of commands or constructs for the shell to execute in order.
shell script
A named pipe connecting processes on two different computers; it can also be represented by a file on the filesystem.
socket file
A file used to identify hardware devices such as hard disks and serial ports.
special device file
A Linux command used to search for and display text characters in a binary file.
strings command
A directory that resides within another directory in the directory tree.
subdirectory
A feature of the BASH shell that fills in the remaining characters of a unique filename or directory name when the user presses the ___ key.
Tab-completion feature
A Linux command that displays a file on the screen, beginning with the last line of the file and ending with the first line of the file.
tac command
A Linux command used to display lines of text at the end of a file; by default, the ____ command displays the last 10 lines of the file.
tail command
A file that stores information in a readable text format.
text file
The programs that allow for the creation, modification, and searching of text files.
text tools
A powerful command-line text editor available on most UNIX and Linux systems.
vi editor
The metacharacters used to match certain characters in a file or directory name; they are often used to specify multiple files.
wildcard metacharacters
