08 Aug Extract all files in the tar to another directory.

LINUX LAB 7:

LINUX SOFTWARE MANAGEMENT

This lab will let your practice installing and removing software.

INSTRUCTIONS

1. Query installed packages with the dpkg or dpkg-query command and answer the questions/take screenshot where appropriate
   1. Browse programs installed in your system. What is a more effective way to browse this list?
   2. Use “dpkg -l” command to query currently installed software. How many programs are currently installed?
   3. Search packages related to “Firefox”, and save the result to a file. How many packages are there?
   4. What are the files related to “Firefox”? Please use a command to list these files in the /etc directory.

1. Use apt-get or apt-cache commands. Take screenshots of the following:
   1. Look for the following programs in the APT repository. Can you locate it? How to deal with the situation where too many results are returned?
      1. tree – take a screenshot of the terminal which clearly shows this program is found.
      2. p7zip
   2. Install/remove the programs using apt-get command line.

1. Compile and install the “hello” program Take screenshots of the following:
   1. Visit Index of /gnu/hello and download a “hello” sample program. For example, here is a direct link to one version:hello-2.3.tar.gz. Use a browser or “wget” command to download.
   2. Extract the directory “hello-2.3” to your working directory. You may use the Gnome file-roller

archive manager or the “tar” command.

1. Go to the “hello-2.3” directory, and view the files. View the “INSTALL” file to get compilation and installation instructions.
2. Execute the configure file for configuration (remember to type “./configure” – why?).
3. Use the “make install” command to compile and install the program.
4. Make sure the installation is good
   1. Type “hello” at the command line.
   2. Add the “-v” option to see its version.
   3. Use “whereis” command to see where this program is installed.
   4. Take a screenshot of the terminal which clearly shows execution results of the three steps above

1. Tar your home directory. Take a screen shot of the following:
   1. Create a tar file files withoutcompression.
   2. Create a tar file with compression.
   3. Compare the two files in terms of file size.
   4. List file content.
   5. Extract all files in the tar to another directory.

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