[talks/lbs] Added titles to a lot of shell and file system slides

1 files changed, 16 insertions, 10 deletions

diff --git a/src/talks/linuxgraphy-by-strabo/index.md b/src/talks/linuxgraphy-by-strabo/index.md
index 9ed785c..75cf951 100644
--- a/src/talks/linuxgraphy-by-strabo/index.md
+++ b/src/talks/linuxgraphy-by-strabo/index.md
@@ -218,8 +218,10 @@ While on the topic of UNIX, we'll only discuss the former.
 
 &&slide
 
+### Command-line shells
+
 Command-line shells operate solely with text, usually with only ASCII characters.
-There are usually two terms used when talking about connecting to a computer (to the shell), those are "terminal" ("console") and "teleprinter" ("teletype").
+Usually connecting to a computer (to the shell) is said to be done with either a "terminal" ("console") or "teleprinter" ("teletype").
 
 &&table
 
@@ -265,6 +267,8 @@ Today we don't usually use such specialised hardware, but the names persist with
 
 &&clide
 
+### Command location and parameters
+
 Most commands are regular programs, which exist somewhere on the system.
 When entering a command name, the shell searches for an executable with that name.
 Searching the whole drive is very inneficient, so the search is limited to the few directories, listed in a variable called "PATH".
@@ -283,10 +287,10 @@ More rarely you might see `--OPTION=VALUE` or just `OPTION=VALUE`.
 
 &&clide
 
-The first UNIX shell is the [Thompson shell](https://en.wikipedia.org/wiki/Thompson_shell).
-With time, other shells appeared, but each introduced it's own unique feature or syntax set.
+### Thompson shell
 
-However, all of them have in common the two major functionalities of the Thompson shell:
+The first UNIX shell is the [Thompson shell](https://en.wikipedia.org/wiki/Thompson_shell).
+The two major features that every other shell supports are:
 
 - I/O redirection: redirection of input and output, allowing insertion of input from a file or storage of output into a file:
 
@@ -319,9 +323,9 @@ However, all of them have in common the two major functionalities of the Thompso
 
 
 
-&&slide
+&&clide
 
-The main attributes that every inode has are as follows:
+### Attributes of an inode
 
 - [file type](https://en.wikipedia.org/wiki/Unix_file_types): Each inode represents some sort of file (data), but a "file" can also be a directory or device, so we need to know how to handle it.  
   There are 7 main types (but there can exist more, depending on OS):
@@ -336,7 +340,7 @@ The main attributes that every inode has are as follows:
     exec(/bin/mprog); -> Executes /usr/local/bin/mprog
     ```
 
-&&/slide
+&&/clide
 
 
 
@@ -475,7 +479,9 @@ Stopping is either done by the process itself (more on that later), or by the sy
 
 
 
-&&clide &&font35
+&&slide &&font35
+
+#### Process Control Block
 
 All process information is stored in a data structure, called a *process control block* (or process descriptor).
 Not to be confused with a [printed circuit board](https://en.wikipedia.org/wiki/Printed_circuit_board)!  
@@ -488,13 +494,13 @@ A PCB's data can be split into three categories:
 
 A process can be **forked**, meaning a new process is created, with the same underlying code (but not process states and ...).
 
-&&/font &&/clide
+&&/font &&/slide
 
 
 
 &&clide &&font35
 
-Typically, there are at least 5 process states:
+#### Process states
 
 - **Created**: This is the initial state given to a new process. In this state, the process awaits a "ready" state.
 - **Ready** (Waiting): A process is put in the run queue and awaits being executed ("running" state).