Backup your data using TAR .

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Backing up your data might be a nightmare . While we creating a tarball , we may added another file in to it , Also its a dream to extract a  specific file from it , but its not true , Linux is like a wand with all spells in it .


1 . tar -cf  outputfilename.tar  source_files 
    eg : tar -cf output.tar * 
 This will create a tar ball of the files that are present in the current directory .

2 . tar -tf output.tar

This will list all the files that are been presented in the tar file .
tar -tvf output.tar - to list files with more details

3 . tar -xf output.tar 

To extract the files from the tarball .

4 . tar -xvf output.tar filename - filename corresponds to the file in output.tar .
5 . tar -xf output.tar -C location - to extract files in to the location [directory]

 6 . tar -rvf output.tar file.pdf - Its simple to add another file into a tarball .
7 . tar -tf -u output.tar file.pdf - -u is for checking the duplicates in the file . So that while using the above command file.pdf is not been added again . It will neglect it silently .

8 . tar -cf output.tar *.c - to include all the files with the extension .c will be added to output.tar .

9 . tar -cf output.tar --exclude "*.c" - to exclude all the files that ends with extension .c .

10 . tar -df output.tar - to find difference between files .

For video reference : see here

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