Split tutorial on pacman

README.org

@@ -37,8 +37,9 @@ opportunity to learn about computers, files, directories and programs.
  * [[./tutorial/dd_command_flash_usb.org][Using dd command to flash usb]]
  * [[./tutorial/compress_pdf.org][Compress a pdf file]]
  * [[./tutorial/luakit.org][Searching and editing configuration files]]
- * [[./tutorial/pacman.org][Use package manager in Parabola GNU-linux]]
- 
+ * [[./tutorial/pacman.org][Use package manager in Parabola GNU-linux: verify packages in cache]]
+ * [[./tutorial/removing_packages.org][Removing packages in Parabola GNU-Linux]]
+
 ** Disk space utilization and manipulation
 
  * [[./tutorial/ncdu.org][Exploring disk space with 'ncdu']]

tutorial/pacman.org

@@ -16,6 +16,8 @@ Open a terminal and run the code
 #+RESULTS:
  | 6000 |
 
+Check space used by packages (cache)
+
 #+begin_src bash
   du -sh /var/cache/pacman/pkg/
 #+end_src

tutorial/removing_packages.org

@@ -0,0 +1,31 @@
+#+date: 2021-07-28
+#+options: toc:nil num:nil
+
+* Checking and cleaning packages and package cache in Parabola GNUlinux
+
+** Removing unused packages by name
+
+
+Let's say you want to delete the following packages:
+
+ * zim
+ * mpv
+ * smplayer
+
+#+begin_example sh
+  pacman -Rs zim mpv smplayer
+#+end_example
+
+** List all installed packages
+
+List and redirect the output to the file "pkglist.txt"
+
+#+begin_example sh
+  pacman -Qqe > pkglist.txt
+#+end_example
+
+List all packages with size
+
+#+begin_example sh
+  LC_ALL=C pacman -Qi | awk '/^Name/{name=$3} /^Installed Size/{print $4$5, name}' | sort -h
+#+end_example