Packaging: I multiple files into one file
Compression: lifting speed during transmission
Creating a plurality of files: touch {a..z} .txt create multiple txt file from a to z.
Package command
tar cvf demo.tar * // all files in the current directory to package
tar -tf demo.tar // see all the contents of the current package
tar xvf demo.tar * // all files in the current directory to decompress
ls -lh demo.tar // File Size View
-rw-r--r-- 1 root root 20K May 29 13:35 demo.tar
compression
gzip demo.tar
-rw-r--r-- 1 root root 321 May 29 13:35 demo.tar.gz
ls -lh demo.tar // File Size View
gunzip demo.tar.gz // decompression
tar cvzf demo.tar.gz * // add compression and file compression
tar xvf demo.tar // all the files in the current directory to decompress