File compression and archiving and transfer with permission

File archiving is to combine multiple files into one packaged file, commonly known as packaging

tar c create

         f specify the archive file name

   

 t ## show the contents of the archive

The parameter tf is followed by the file name

    r ##Add files to archive

    --get ##Get a single file

    --delete ##Delete a single file

    x ## Extract everything from the archive

    -C ##Specify the unarchive directory

    -z ##gz format compression

    -j ##bz2 format compression

    -J ##xz format compression

####2.compression####
gz
gzip etc.tar ##compress into gz format

gunzip etc.tar.gz ##Decompress the gz format compressed package

tar zcf etc.tar.gz /etc ##Archive the file as tar and compress it into gz
tar zxf etc.tar.gz ##Unzip and unarchive the gz format compressed package

bz2
bzip2 etc.tar ##Compress into bz2 format

bunzip2 etc.tar.bz2 ##Unzip bz2 format compressed package

tar jcf etc.tar.bz2 /etc ##Archive the file as tar and compress it into bz2
tar jxf etc.tar.bz2 ##Unzip and unarchive the bz2 format compressed package

xz
xz etc.tar ##Compress into xz format

unxz etc.tar.xz ##Decompress the xz format compressed package

tar Jcf etc.tar.xz /etc ##Archive the file as tar and compress it into zx

tar Jxf etc.tar.xz ##Unzip and unarchive xz format compressed package

zip

zip -r etc.tar.zip etc.tar ##Compress into zip format
unzip etc.tar.zip ##Decompress zip format compressed package


####3. File transfer in the system####

scp file username@ip:/dir ##Upload

scp username@ip:/dir/file /dir ##download

rsync [parameter] file username@ip:/dir

rsync -r ##Sync directory

  

  -l ## do not ignore links

    -p ##Do not ignore file permissions

    -t ##Do not ignore file timestamps

g ##Do not ignore all groups of files

    -o ##Do not ignore the owner of the file

    -D ## do not ignore device files

ln -s file directory ##Link file and directory