To backup the file using tar
To backup the file using tar the syntax is
#tar -cvf (destination and name to be) source file
#tar -cvf /temp/opt.tar /opt
Apply gzip on tar file and check the size.
To apply gzip on a tar file, the syntax is
#gzip file name
#gzip /temp/opt.tar
To gunzip a file the syntax is
#gunzip file name
#gunzip opt.tar.gz
To untar a file the syntax is
#tar -xvf file name
#tar -xvf opt.tar
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