Introduction
In the previous lesson, we introduced the use of soft links and hard links in Linux | 21 to help save some coding time and reduce disk storage space. However, using links only saves redundant space; to truly save disk storage, we need to rely on file compression. This section will mainly discuss the usage of commands such as gzip, zip, bzip2, and tar for packaging/compression, as well as the MD5 checksum verification of compressed files. You can practice the following commands along with the video:
gzip -c biomamba.txt > biomamba.txt.gz
gzip biomamba.txt
zcat biomamba.txt.gz | head
gzip -v biomamba1.txt
gzip test.png
gunzip -c biomamba.txt.gz
gzip -d biomamba.txt.gz
zip biomamba.txt.zip biomamba.txt
zip -r ../test.dir.zip ../test.dir/
unzip ../test.dir.zip
bzip2 -k biomamba.txt
bzip2 biomamba.txt
bunzip2 biomamba.txt.bz2
# Simple packaging: tar -cvf finename.tar finename
# Package and compress to gz: tar -czf finename.tar.gz finename
# Package and compress to bz2: tar -cjf finename.tar.bz2 finename
# Decompress tar: tar -xzf finename.tar.gz
md5sum ./* > md5.txt
md5sum -c md5.txtVideo Tutorial
The video is also available on Bilibili for easier continuous viewing. You can access it directly at the end of this article:https://www.bilibili.com/video/BV1hT411F7r7?p=22
Learning Materials for This Section
To prevent issues with accessing Baidu Cloud, I have uploaded the files to an Nginx server. You can download them by entering this URL in your browser:
http://biomamba.com:34080/free.download/%E8%B7%9FBiomamba%E4%B8%80%E8%B5%B7%E5%AD%A6Linux.zip
If the link is invalid, you can contact customer service at the end of the article to obtain it.
Previous Lessons Review
Learn Linux with Biomamba | 1. Computer Hardware ComponentsLinux | 2. Computer Software Components and LinuxLinux | 3. Free Linux System – WSLLinux | 4. Free Linux System – Virtual MachineLinux | 5. Free Linux System – ServerLinux | 6. Command Line and Basic CommandsLinux | 7. Ways to Get Help with Linux CommandsLinux | 8. Linux File Directory SystemLinux | 9. Path Viewing and Switching: pwd, cd, ls CommandsLinux | 10. WildcardsLinux | 11. File Deletion: rm CommandLinux | 12. File Copy (cp) and Move (mv)Linux | 13. Concepts of Users and GroupsLinux | 14. User Management Commands (useradd, passwd, userdel, su)Linux | 15. File Permission Management: chown, chmodLinux | 16. ShortcutsLinux | 17. Output RedirectionLinux | 18. Pipe SymbolLinux | 19. File Search: find, locate, whichLinux | 20. Aliases: aliasLinux | 21. Soft Links and Hard Links: ln
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