Linux learning essay-compression and decompression, linux essay

Linux learning essay-compression and decompression, linux essay

. Gz files compressed by gzip

. Bz2 files compressed by bzip2 compression Tool . Tar files packaged by the tar package .Tar.gz is first packaged by tar and compressed by gzip. .Tar.bz2 is first packaged by tar and compressed by bzip2 1: gzip file compression this command cannot compress Directories Gzip + the file is compressed at the current position. gzip cannot compress the directory. # Gzip 1.txt Convert the compressed source file to 1.txt.gz. Gzip-d file name indicates Decompression # Gzip-d 1.txt.gz unzip and restore the file to 1.txt 2: bzip2 this command cannot compress Directories # Bzip2 1.txt Compression # Bzip2-d 1.txt.bz2 Extract 3: The tar compression tool can package and decompress directories and files simultaneously. # Tar-cvf test.tar test/-c create a compressed package-v visualization-f compressed file name test/indicates the compressed directory or file # Extract the 1.txt.tar file from tar-xvf 1.txt.tar 3.1: The-z option is required for gzip compression during packaging. # Tar-czvf test.gz test/package the test directory and use gzip for compression # Tar-xzvf test.gz-xzvf gzip package 3.2: During packaging, bzip2 only needs to be compressed with-j # Tar-cjvf test.tar.bz2 test compressed test directory test.tar.bz2 use bzip2 Compression # Tar-xjvf test.tar.bz2 decompression note-j is used here because the bz2 compressed package is decompressed 4: zip compression can be used to compress directories and files. When compressing directories, you must specify the files under the compression directory. # Zip 1.txt.zip 1.txt compressing a single file # Unzip 1.txt.zip unzip a single file 4.1 when you use the zip command to compress a directory, if there is a second-level directory under the first-level directory. You must add the-r option to compress the files in the second-level directory. # Zip-r test.zip test /*