diff --git a/20221005/bash-shortcuts-01.txt b/20221005/bash-shortcuts-01.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9dac38ec474ca83913e10acede3a77e9a7d0a6dd
--- /dev/null
+++ b/20221005/bash-shortcuts-01.txt
@@ -0,0 +1,14 @@
+cassini/home/peter/bo/2022ws/es> ls -lrt
+insgesamt 7640
+drwxr-xr-x 2 peter peter    4096 Okt  7  2021 common
+-rwxr-xr-x 1 peter peter    4632 Sep 28 08:19 update
+-rw-r--r-- 1 peter peter     870 Sep 28 12:41 PROJEKTE
+drwxr-xr-x 2 peter peter    4096 Okt  5 08:57 20220928
+drwxr-xr-x 2 peter peter    4096 Okt  5 09:02 20221005
+-rw-r--r-- 1 peter peter 7761235 Okt  5 09:02 es-slides-2022ws.pdf
+-rw-r--r-- 1 peter peter    2931 Okt  5 09:02 README.md
+-rw-r--r-- 1 peter peter   12956 Okt  5 12:40 options-01.txt
+-rw-r--r-- 1 peter peter     871 Okt  5 12:40 variables-01.txt
+-rw-r--r-- 1 peter peter    1221 Okt  5 12:44 variables-02.txt
+-rw-r--r-- 1 peter peter     723 Okt  5 12:45 variables-03.txt
+(reverse-i-search)`lrt': ls -lrt
diff --git a/20221005/files-01.txt b/20221005/files-01.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d85c5d113f1188fae46cc9d2bfa0ecb7d094e4a7
--- /dev/null
+++ b/20221005/files-01.txt
@@ -0,0 +1,47 @@
+cassini/home/peter/bo/2022ws/es/20221005> ls -lrt
+insgesamt 3436
+lrwxrwxrwx 1 peter peter      18 Apr 13  2016 csa2.jpg -> ../common/csa2.jpg
+lrwxrwxrwx 1 peter peter      22 Okt  5  2016 pgslides.sty -> ../common/pgslides.sty
+lrwxrwxrwx 1 peter peter      36 Okt  5  2016 logo-hochschule-bochum.pdf -> ../common/logo-hochschule-bochum.pdf
+lrwxrwxrwx 1 peter peter      48 Okt  7  2018 logo-hochschule-bochum-cvh-text-v2.pdf -> ../common/logo-hochschule-bochum-cvh-text-v2.pdf
+-rw-r--r-- 1 peter peter   26808 Okt  5 08:59 es-20221005.tex
+-rw-r--r-- 1 peter peter     264 Okt  5 09:01 es-20221005.vrb
+-rw-r--r-- 1 peter peter       0 Okt  5 09:01 es-20221005.snm
+-rw-r--r-- 1 peter peter     652 Okt  5 09:01 es-20221005.out
+-rw-r--r-- 1 peter peter    7825 Okt  5 09:01 es-20221005.aux
+-rw-r--r-- 1 peter peter     647 Okt  5 09:01 es-20221005.toc
+-rw-r--r-- 1 peter peter    4751 Okt  5 09:01 es-20221005.nav
+-rw-r--r-- 1 peter peter 3358917 Okt  5 09:01 es-20221005.pdf
+-rw-r--r-- 1 peter peter   54203 Okt  5 09:01 es-20221005.log
+-rw-r--r-- 1 peter peter   12956 Okt  5 12:40 options-01.txt
+-rw-r--r-- 1 peter peter     871 Okt  5 12:40 variables-01.txt
+-rw-r--r-- 1 peter peter    1221 Okt  5 12:44 variables-02.txt
+-rw-r--r-- 1 peter peter     723 Okt  5 12:45 variables-03.txt
+-rw-r--r-- 1 peter peter     733 Okt  5 12:47 bash-shortcuts-01.txt
+-rwxr-xr-x 1 peter peter      21 Okt  5 14:42 hello
+-rwxr-xr-x 1 peter peter      54 Okt  5 14:47 ls
+cassini/home/peter/bo/2022ws/es/20221005> mkdir test
+cassini/home/peter/bo/2022ws/es/20221005> cp hello test/
+cassini/home/peter/bo/2022ws/es/20221005> ls -l test/
+insgesamt 4
+-rwxr-xr-x 1 peter peter 21 Okt  5 15:07 hello
+cassini/home/peter/bo/2022ws/es/20221005> cp -p hello test/
+cassini/home/peter/bo/2022ws/es/20221005> ls -l test/
+insgesamt 4
+-rwxr-xr-x 1 peter peter 21 Okt  5 14:42 hello
+cassini/home/peter/bo/2022ws/es/20221005> cp -p hello test/
+cassini/home/peter/bo/2022ws/es/20221005> cp -pi hello test/
+cp: 'test/hello' überschreiben? y
+cassini/home/peter/bo/2022ws/es/20221005> rm test/hello
+cassini/home/peter/bo/2022ws/es/20221005> ls -l test/
+insgesamt 0
+cassini/home/peter/bo/2022ws/es/20221005> cp -pi hello test/
+cassini/home/peter/bo/2022ws/es/20221005> ls -l test/
+insgesamt 4
+-rwxr-xr-x 1 peter peter 21 Okt  5 14:42 hello
+cassini/home/peter/bo/2022ws/es/20221005> rm -i test/hello
+rm: reguläre Datei 'test/hello' entfernen? n
+cassini/home/peter/bo/2022ws/es/20221005> ls -l test/
+insgesamt 4
+-rwxr-xr-x 1 peter peter 21 Okt  5 14:42 hello
+cassini/home/peter/bo/2022ws/es/20221005>
diff --git a/20221005/files-02.txt b/20221005/files-02.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5f8ffa28f3237ff20d7f822cfe3aa0d4492e3539
--- /dev/null
+++ b/20221005/files-02.txt
@@ -0,0 +1,25 @@
+cassini/home/peter/bo/2022ws/es/20221005/test> touch test-1.txt
+cassini/home/peter/bo/2022ws/es/20221005/test> touch test-2.txt
+cassini/home/peter/bo/2022ws/es/20221005/test> touch test-3.txt
+cassini/home/peter/bo/2022ws/es/20221005/test> ls -l
+insgesamt 0
+-rw-r--r-- 1 peter peter 0 Okt  5 15:14 test-1.txt
+-rw-r--r-- 1 peter peter 0 Okt  5 15:14 test-2.txt
+-rw-r--r-- 1 peter peter 0 Okt  5 15:14 test-3.txt
+cassini/home/peter/bo/2022ws/es/20221005/test> cd ..
+cassini/home/peter/bo/2022ws/es/20221005> ls test/*.*
+test/test-1.txt  test/test-2.txt  test/test-3.txt
+cassini/home/peter/bo/2022ws/es/20221005> rm test/*.*
+cassini/home/peter/bo/2022ws/es/20221005> ls -l test/
+insgesamt 0
+cassini/home/peter/bo/2022ws/es/20221005> cd test/
+cassini/home/peter/bo/2022ws/es/20221005/test> touch test-1
+cassini/home/peter/bo/2022ws/es/20221005/test> touch test-2
+cassini/home/peter/bo/2022ws/es/20221005/test> touch test-3
+cassini/home/peter/bo/2022ws/es/20221005/test> cd ..
+cassini/home/peter/bo/2022ws/es/20221005> ls test/*.*
+ls: Zugriff auf 'test/*.*' nicht möglich: Datei oder Verzeichnis nicht gefunden
+cassini/home/peter/bo/2022ws/es/20221005> ls test/*
+test/test-1  test/test-2  test/test-3
+cassini/home/peter/bo/2022ws/es/20221005> rm test/*
+cassini/home/peter/bo/2022ws/es/20221005>
diff --git a/20221005/files-03.txt b/20221005/files-03.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7963dd43fb2d798ddaf203a016ace601cdf5ff75
--- /dev/null
+++ b/20221005/files-03.txt
@@ -0,0 +1,16 @@
+cassini/home/peter/bo/2022ws/es/20221005> cat test-1.txt
+Test 1
+cassini/home/peter/bo/2022ws/es/20221005> cat test-2.txt
+Test 2
+cassini/home/peter/bo/2022ws/es/20221005> cd test/
+cassini/home/peter/bo/2022ws/es/20221005/test> ls -l
+insgesamt 0
+cassini/home/peter/bo/2022ws/es/20221005/test> cp ../test-*.txt
+cassini/home/peter/bo/2022ws/es/20221005/test> ls -l
+insgesamt 0
+cassini/home/peter/bo/2022ws/es/20221005/test> cd ..
+cassini/home/peter/bo/2022ws/es/20221005> cat test-1.txt
+Test 1
+cassini/home/peter/bo/2022ws/es/20221005> cat test-2.txt
+Test 1
+cassini/home/peter/bo/2022ws/es/20221005>
diff --git a/options-01.txt b/20221005/options-01.txt
similarity index 100%
rename from options-01.txt
rename to 20221005/options-01.txt
diff --git a/20221005/test-1.txt b/20221005/test-1.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ac5ab8fbdb5f9b410cba904145f975593182dced
--- /dev/null
+++ b/20221005/test-1.txt
@@ -0,0 +1 @@
+Test 1
diff --git a/20221005/test-2.txt b/20221005/test-2.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ac5ab8fbdb5f9b410cba904145f975593182dced
--- /dev/null
+++ b/20221005/test-2.txt
@@ -0,0 +1 @@
+Test 1
diff --git a/variables-01.txt b/20221005/variables-01.txt
similarity index 100%
rename from variables-01.txt
rename to 20221005/variables-01.txt
diff --git a/20221005/variables-02.txt b/20221005/variables-02.txt
new file mode 100644
index 0000000000000000000000000000000000000000..24511fb24ba8906b350912eeca96d0f6568accb7
--- /dev/null
+++ b/20221005/variables-02.txt
@@ -0,0 +1,24 @@
+cassini/home/peter/bo/2022ws/es> ls -lrt
+insgesamt 7632
+drwxr-xr-x 2 peter peter    4096 Okt  7  2021 common
+-rwxr-xr-x 1 peter peter    4632 Sep 28 08:19 update
+-rw-r--r-- 1 peter peter     870 Sep 28 12:41 PROJEKTE
+drwxr-xr-x 2 peter peter    4096 Okt  5 08:57 20220928
+drwxr-xr-x 2 peter peter    4096 Okt  5 09:02 20221005
+-rw-r--r-- 1 peter peter 7761235 Okt  5 09:02 es-slides-2022ws.pdf
+-rw-r--r-- 1 peter peter    2931 Okt  5 09:02 README.md
+-rw-r--r-- 1 peter peter   12956 Okt  5 12:40 options-01.txt
+-rw-r--r-- 1 peter peter     871 Okt  5 12:40 variables-01.txt
+cassini/home/peter/bo/2022ws/es> t="ls -lrt"
+cassini/home/peter/bo/2022ws/es> $t
+insgesamt 7632
+drwxr-xr-x 2 peter peter    4096 Okt  7  2021 common
+-rwxr-xr-x 1 peter peter    4632 Sep 28 08:19 update
+-rw-r--r-- 1 peter peter     870 Sep 28 12:41 PROJEKTE
+drwxr-xr-x 2 peter peter    4096 Okt  5 08:57 20220928
+drwxr-xr-x 2 peter peter    4096 Okt  5 09:02 20221005
+-rw-r--r-- 1 peter peter 7761235 Okt  5 09:02 es-slides-2022ws.pdf
+-rw-r--r-- 1 peter peter    2931 Okt  5 09:02 README.md
+-rw-r--r-- 1 peter peter   12956 Okt  5 12:40 options-01.txt
+-rw-r--r-- 1 peter peter     871 Okt  5 12:40 variables-01.txt
+cassini/home/peter/bo/2022ws/es>
diff --git a/20221005/variables-03.txt b/20221005/variables-03.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9f1655f3b51e1ae10dcc8e4db7e5d11a0ad6c09d
--- /dev/null
+++ b/20221005/variables-03.txt
@@ -0,0 +1,15 @@
+cassini/home/peter/bo/2022ws/es> alias t
+alias t='ls -lrt'
+cassini/home/peter/bo/2022ws/es> t
+insgesamt 7636
+drwxr-xr-x 2 peter peter    4096 Okt  7  2021 common
+-rwxr-xr-x 1 peter peter    4632 Sep 28 08:19 update
+-rw-r--r-- 1 peter peter     870 Sep 28 12:41 PROJEKTE
+drwxr-xr-x 2 peter peter    4096 Okt  5 08:57 20220928
+drwxr-xr-x 2 peter peter    4096 Okt  5 09:02 20221005
+-rw-r--r-- 1 peter peter 7761235 Okt  5 09:02 es-slides-2022ws.pdf
+-rw-r--r-- 1 peter peter    2931 Okt  5 09:02 README.md
+-rw-r--r-- 1 peter peter   12956 Okt  5 12:40 options-01.txt
+-rw-r--r-- 1 peter peter     871 Okt  5 12:40 variables-01.txt
+-rw-r--r-- 1 peter peter    1221 Okt  5 12:44 variables-02.txt
+cassini/home/peter/bo/2022ws/es>