Linux OpenSuse OS I need to find these command lines for these questions in Linu

Question

Linux OpenSuse OS I need to find these command lines for these questions in Linux OpenSuse OS. 1. Use command line to review the list of software that are available to install on a Linux operating system. The zypper package manager shows the list of available software for the OpenSUSE Linux operating system. You need to save the list of software in a filename "software.txt" on the desktop of your Linux operating system. Show a step-by- step process on how to retrieve the list of available software using the zypper package manager and then save the software names along with other software information in a 2. Use command line to install a web browser name "opera" on your Linux operating system. Use one the command line package managers to install Opera web browser on your Linux operating system 3. Use command line to retrieve the installation date and time of Mozilla Firefox browser on your Linux operating system. Use the RPM command line to display the installation date and time of Firefox browser on the terminal of your Linux operating system Use command line to update the Mozilla Firefox browser on his OpenSUSE Linux operating system. Use the zypper package manager to update the browser 4. 5. Use command line to run the Mozilla Firefox browser in the background of his Linux operating system. He also would like to know the command line to close the browser when the browser is irresponsive Use command line to record the size of all directories present on the desktop of your Linux operating system 6. 7. Use command line to check for the free space available in the /dev directory. What is the command line to retrieve available free space for the/dev directory? Use a command line to retrieve following information on your OpenSUSE Linux operating system. Which of these devices (PATA or SATA or SCCI) are installed on your Linux operating system? 8. . . What is the size of the hard-drive installed on the system? . How many disk partitions are on the system? . What is the size of each partition?

Explanation / Answer

Answers are numbered below as per the questions

1.

dpkg --get-selections > list.txt

2.
sudo apt-get install opera

3.
rpm -q --last <<the name of the package>>
rpm -q --last firefox

4.
sudo apt-get update
sudo apt-get --purge --reinstall install firefox

5.
firefox &

Note the & is for background launch

6.
du -sh subdir

7.
df -h

or df -k will also work

8.
which devices are installed
lshw -class disk

size of hard drive
df -h

number of partitions
ls -l /dev/disk/by-label

df-h can be used for size of partitions

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