Command line tar command with compression

[tc101]

I use the following command line to put everything in the D folder into a tar file in the backup folder.

sudo tar -cf /home/backup/D_backup$(date +"%Y%m%d").tar /home/D

However the backup file is the same size as the original folder. How do I compress it, doing something like a zip file in windows. I would like to do this from the command line.

Also, is there a way to encrypt it from the command line?

[Ramses de Norre]

For .tar.gz:

sudo tar -czf /home/backup/D_backup$(date +"%Y%m%d").tar.gz /home/D

For .tar.bz2 (higher compression, takes longer):

sudo tar -cjf /home/backup/D_backup$(date +"%Y%m%d").tar.bz2 /home/D

You might want to read up on gpg for the encryption.

[tech9]

For .tar.gz:

sudo tar -czf /home/backup/D_backup$(date +"%Y%m%d").tar.gz /home/D

For .tar.bz2 (higher compression, takes longer):

sudo tar -cjf /home/backup/D_backup$(date +"%Y%m%d").tar.bz2 /home/D

You might want to read up on gpg for the encryption.

cool... I was looking for a script or command by date