أسئله لكتابة بعض الأوامر في نظام اللينكس

الأول

I. Archiving and Compression

„h Archive all your files (in your home directory) to the file /tmp/archive.tar

„h List the content of this archive using the tar command.

„h Now perform compressed backups by gzip and bzip2 using the tar command, under the names /tmp/archive.tar.gz and /tmparchive.tar.bz2, then list the contents of those archives using the tar command.

„h Compare the file sizes of those 3 archives archive.tar, archive.tar.bz2 and archive.tar.gz. Which tool is giving the best compression rate ?

„h Compress the file archives.tar using gzip and bzip2 commands

السوال الثاني

II . vi editors

 Start the vi editor, and type the following:

packages

Software packages on Linux distributions have often the RPM (Redhat Package Manager) format. The management of these software packages is done using the command rpm in command-line, but other tools are also available such as graphical installer and yum command. Packages are recognized by their extension. name.version.architecture.rpm name format is th common one. For platforms like PC, the architecture is i386,i586 and i686. The RPM package content is an archive of a compiled software and its associated files (configuration, documentation)

 Save the file as paquetage.txt.

 Save the file under the name paquetage2.txt.

 Edit the file without leaving paquetage2.txt vi.

 Copy the first row 10 times at the end of the file.

 Search for the string RPM from the beginning.

 Replace the first occurrence of RPM with the string "Redhat Package Manager".

 Replace all other occurrences in the file.

 Number the lines of the file.

السوال الثالث