Differences

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--- skill-tree:use:1:4:1:b [2020/06/05 17:06] – external edit 127.0.0.1
+++ skill-tree:use:1:4:1:b [2020/07/19 21:22] (current) – lucy
@@ Line 2: / Line 2: @@
 # Background
-Understanding the general principles of a package manager is the foundation to utilize package managers.
+Understanding the general principles of a package manager is the foundation to utilize them.
 The package manager provides a repository of software stored in a dedicated file system location -- even for different versions.
-A specific software and version may depend on another software or libraries forming a tree of dependencies.
+Specific software and version may depend on other software or libraries forming a tree of dependencies.
-Software might be incompatible with another software, too.
+The software might be incompatible with another software, too.
-The user can query available software via commands and loads software using a program of the package manager via the shell command line interface.
+The user can query available software via commands and load software using a program of the package manager via the shell command-line interface.
 A package manager then makes it available by manipulating shell variables.
-Understanding these variables helps to understand system behavior and to debug issues.
+Understanding these variables is crucial to understand the system behavior and to debug issues.
 # Aim
@@ Line 15: / Line 15: @@
 # Outcomes
-  * Describe the general dependency structure of software
+  * Describe the general dependency structure of software.
-  * Describe how a package manager makes software available
+  * Describe how a package manager makes software available.
-  * Using the export command to print shell variables
+  * Use the export command to print shell variables.
-  * Understand shell variables relevant for executing software and for building software
+  * Understand shell variables relevant for executing and building software:
-    - PATH for executables
+    * PATH for executables
-    - LD\_LIBRARY\_PATH for libraries
+    * LD\_LIBRARY\_PATH for libraries
-    - MANPATH for manual pages (man command)
+    * MANPATH for manual pages (man command)
-    - PKG\_CONFIG\_PATH for pkg-config
+    * PKG\_CONFIG\_PATH for pkg-config
-  * Manipulate shell variables to include additional software
+  * Manipulate shell variables to include additional software:
-    - Setting shell variables for a single program by prefixing or by using export
+    * Setting shell variables for a single program by prefixing or by using export.
 # Subskills