Sys Admin

To compress : tar -cf pictures.tar pics/; gzip pictures.tar Or if you want to combine the gzip and the tar creation in one command: tar -czf pictures.tar.gz pics/ To decompress : gunzip pictures.tar.gz; tar -xvf pictures.tar

Zip is a compression and file packaging utility for Unix. This utility is installed by default on most Linux computers. he program is useful for packaging a set of files for distribution; for archiving files; and for saving disk space by temporarily compressing unused files or directories. To zip directory called MyDir in your home directory (/home/MyDir), type the following command: $ zip -r mydir.zip /home/MyDir

Did you ever forget to make the backup of the registry before making some changes in it, which led to system crash? Every time you need to make changes to your registry, you should make a backup as a precaution. Making a backup is very important and helps the user when he wants to restore the changes he made. Exporting – Making A Backup In order to backup your registry, follow  these simple steps: In Windows 7 / Vista:  Open  Start  menu, type  regedit  in  Start Search  and click  OK . In Windows XP:  Open  Start  menu, click  Run,  type  regedit  and select  OK. In Registry Editor go to the  File Menu  and select  Export. Under the export range select  All. Put an  appropriate file name  and save as file type  Registration Files (*.reg). Importing – Restoring The Registry In Registry Editor go to the  File Menu  and select...