Tuesday, December 11, 2012

How to backup and restore a folder in linux shell using tar ?


Let say I wanna back up everything inside the www folder, I go to the folder that contains www folder and I enter:
tar -pczf myBackupfile11Dec2012.tar.gz   www/

What does the -pzf mean ?

       -p, --preserve-permissions
     extract all protection information

       -c, --create
     create a new archive

       -z, --gzip, --ungzip
     filter the archive through gzip

       -f, --file F

How to restore and extract a .tar file in Linux ? 

copy the file to where you want to be extracted

tar xvfz myBackupfile11Dec2012.tar.gz

What does xvfz mean ?

     -x --extract --get

     -v, --verbose

     -f, --file F

     -z, --gzip

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