【한글자막】 LPIC-1 101-500 : Linux 시스템 관리자 시험 완벽 대비

Learn how to explore your Linux system in order to uncover information about it, such as details about the Linux kernel, and Bash shell version information.

Learn about commands that are built into the Bash shell and those that are externel, and how to identify them. Also, learn how to determine where a command program is located in the virtual directory structure.

Learn how to get help while working in the command line.

Learn how to work much faster at the command line by viewing a list of previously entered commands, recalling them, using them again, and modifying the commands as needed.

Learn how to concern display text file contents and obtain file information.

Learn how to use two different pager utilities, and how they can help you view text file contents.

Learn how to:

• Determine the number of lines, words, and bytes that are in a text file.

• Display only unique lines of a text file.

• Add line numbers to a text file.

Learn how to use three different hash algorithms, and learn about various hash values.

Learn how to:

• Sort a text file alphabetically and numerically.

• Paste two text files together.

• Split a text file apart.

• Pull out certain fields from a text file’s records.

Learn how to:

• Change one letter or number in a text file to a different one in it’s output.

• Translate a text file's contents into octal and hexadecimal.

• Use basic features in a stream text editor.

Learn how to perform basic searches using a powerful search utility, to find text:

Regardless of its case.

Located at the end of a text record.

Positioned at the beginning of a text record.

Learn about the concept of redirection, and how to redirect input with a command-line utility.

Learn how to redirect output using various methods.

Learn about the concepts of pipes and how to redirect both input and output as well as display information and save it to a file.

Learn how to redirect an error message to a non-standard location.

Learn how to build commands on-the-fly using three different methods.

Learn about regular expressions and learn how to use them to search for:

• Several characters in one character position.

• A range of characters in one character position.

• A character that has special meaning to the Bash shell.

• A character that is present zero or more times in a pattern.

• Anything within a particular pattern.

Learn about extended regular expressions, and how to use them to search for:

• A character that is present one or more times in a pattern

• A character that is present zero or one time in a pattern

• Either one pattern or another pattern in a search

Learn about two grep variant commands that are kept for historical applications.

Lean how to use sed to find text and then conduct some stream editing on it, and how to use a regular expression pattern, instead of plain text in sed’s search function.

Learn how to:

• Locate files related to commands and obtain information about them.

• Use a command that finds another command’s binary, source, and manual pages files.

Learn how to:

• Use a single command to quickly find files.

• Use a command with complex criteria to find files.

Learn how to use the list command with wildcards and determine a file's type.

Learn how to:

• Create a file just by touching it.

• Fill a file with data without using a text editor.

• Delete selected files.

Learn about the difference between copying and moving a file, and how to:

• Copy a file to a new location and give it a new name.

• Move a file to a new location and give it a new name.

Learn how to:

Create a directory.

Look a directory file’s information.

View a directory’s files and it’s tree of subdirectories.

Learn how to remove directories that are emply or full of materials.

Learn how to copy or move an entire directory tree.

Learn about file compression, and how to use three different utilities to compress and decompress files on Linux.

Lean how to use three different utilities to view files that are currently compressed.

Learn how to:

• Create a tar archive.

• View the files that are already in a tar archive file.

• Restore files from a tar archive file.

• Compress and decompress archive files on-the-fly.

Learn how to:

• Create a cpio archive.

• View the files that are already in cpio archive file.

• Restore files from cpio archive file.

Learn about creating a duplicate disk with the dd utility.

Learn about basic text editor concepts and three differnt text editors.

Learn about the three modes of the vim/vi editor, and learn how to switch between those modes while using the editor as well as five different ways to exit the editor when you are done.

Learn how to do the following in command mode:

• Make subtle moves.

• Jump to a text line’s beginning, and its end.

• Search for text.

• Scroll up and down the screen.

Learn how to

• Append and insert text.

• Open a new line below current line and insert text.

• Delete text.

• Copy text.

• Paste deleted and copied text.

Learn how to:

• Read a file into the text editor’s buffer, after you are already in the editor.

• Temporarily add line numbers to a file.

• Convert line endings from Windows to Linux and vice versa.

Learn how to:

• View permission, owner, and group members information on a file or directory, and interpret it.

• Determine your owner name.

• View your current group memberships.

Learn how to change a files group and owner.

Learn about file modes and how to change a file’s permissions using both symbolic and octal mode.

Learn about three special permissions and their purposes, and how to set these permissions using symbolic and octal mode.

Learn about about default file and directory permissions, and managing the default creation mask.

Learn about hard and soft links, and how to create them and view them.