From b777fb0fd5b09f0bd1787da566c98f8ed4180f95 Mon Sep 17 00:00:00 2001
From: Peter Gerwinski <peter.gerwinski@hs-bochum.de>
Date: Fri, 23 Apr 2021 11:05:24 +0200
Subject: [PATCH] Beispiele und Notizen 16.4.2021
---
20210416/.test.txt | 1 +
20210416/calculate | 5 +++++
20210416/cd.. | 3 +++
20210416/chmod-1.txt | 11 +++++++++++
20210416/find-1.txt | 25 +++++++++++++++++++++++++
20210416/find-2.txt | 3 +++
20210416/find-3.txt | 3 +++
20210416/find-4.txt | 30 ++++++++++++++++++++++++++++++
20210416/grep-1.txt | 10 ++++++++++
20210416/grep-2.txt | 30 ++++++++++++++++++++++++++++++
20210416/grep-3.txt | 2 ++
20210416/hardlinks-1.txt | 22 ++++++++++++++++++++++
20210416/hardlinks-2.txt | 10 ++++++++++
20210416/hello | 3 +++
20210416/hello.c | 7 +++++++
20210416/mount-1.txt | 21 +++++++++++++++++++++
20210416/shell-scripts-1.txt | 4 ++++
20210416/shell-scripts-2.txt | 8 ++++++++
20210416/shell-scripts-3.txt | 8 ++++++++
20210416/shell-scripts-4.txt | 7 +++++++
20210416/shell-scripts-5.txt | 14 ++++++++++++++
20210416/shell-scripts-6.txt | 9 +++++++++
20210416/symlinks-1.txt | 12 ++++++++++++
20210416/symlinks-2.txt | 7 +++++++
20210416/symlinks-3.txt | 9 +++++++++
20210416/symlinks-4.txt | 12 ++++++++++++
20210416/test-1.txt | 1 +
20210416/test-3.txt | 1 +
20210416/test/hello.txt | 1 +
20210416/unix-20210416.tex | 1 +
20210416/wildcards-1.txt | 36 ++++++++++++++++++++++++++++++++++++
20210416/wildcards-2.txt | 3 +++
20210416/wildcards-3.txt | 14 ++++++++++++++
projekte.txt | 6 ++++++
34 files changed, 339 insertions(+)
create mode 100644 20210416/.test.txt
create mode 100755 20210416/calculate
create mode 100644 20210416/cd..
create mode 100644 20210416/chmod-1.txt
create mode 100644 20210416/find-1.txt
create mode 100644 20210416/find-2.txt
create mode 100644 20210416/find-3.txt
create mode 100644 20210416/find-4.txt
create mode 100644 20210416/grep-1.txt
create mode 100644 20210416/grep-2.txt
create mode 100644 20210416/grep-3.txt
create mode 100644 20210416/hardlinks-1.txt
create mode 100644 20210416/hardlinks-2.txt
create mode 100755 20210416/hello
create mode 100644 20210416/hello.c
create mode 100644 20210416/mount-1.txt
create mode 100644 20210416/shell-scripts-1.txt
create mode 100644 20210416/shell-scripts-2.txt
create mode 100644 20210416/shell-scripts-3.txt
create mode 100644 20210416/shell-scripts-4.txt
create mode 100644 20210416/shell-scripts-5.txt
create mode 100644 20210416/shell-scripts-6.txt
create mode 100644 20210416/symlinks-1.txt
create mode 100644 20210416/symlinks-2.txt
create mode 100644 20210416/symlinks-3.txt
create mode 100644 20210416/symlinks-4.txt
create mode 100644 20210416/test-1.txt
create mode 120000 20210416/test-3.txt
create mode 100644 20210416/test/hello.txt
create mode 120000 20210416/unix-20210416.tex
create mode 100644 20210416/wildcards-1.txt
create mode 100644 20210416/wildcards-2.txt
create mode 100644 20210416/wildcards-3.txt
diff --git a/20210416/.test.txt b/20210416/.test.txt
new file mode 100644
index 0000000..dd38ed5
--- /dev/null
+++ b/20210416/.test.txt
@@ -0,0 +1 @@
+Punkt-Test
diff --git a/20210416/calculate b/20210416/calculate
new file mode 100755
index 0000000..6c1b049
--- /dev/null
+++ b/20210416/calculate
@@ -0,0 +1,5 @@
+#!/usr/bin/bc -q
+
+2 ^ 50 / 10 / 1000 / 1000 / 1000000
+
+quit
diff --git a/20210416/cd.. b/20210416/cd..
new file mode 100644
index 0000000..a78009b
--- /dev/null
+++ b/20210416/cd..
@@ -0,0 +1,3 @@
+#pwd
+cd ..
+#pwd
diff --git a/20210416/chmod-1.txt b/20210416/chmod-1.txt
new file mode 100644
index 0000000..82cb694
--- /dev/null
+++ b/20210416/chmod-1.txt
@@ -0,0 +1,11 @@
+-rwxr-xr-x 1 peter peter 16 Apr 16 14:20 cd..
+cassini/home/peter/bo/2021ss/bs/20210416> chmod 750 cd..
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l cd..
+-rwxr-x--- 1 peter peter 16 Apr 16 14:20 cd..
+cassini/home/peter/bo/2021ss/bs/20210416> chmod 644 cd..
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l cd..
+-rw-r--r-- 1 peter peter 16 Apr 16 14:20 cd..
+cassini/home/peter/bo/2021ss/bs/20210416> chmod 660 cd..
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l cd..
+-rw-rw---- 1 peter peter 16 Apr 16 14:20 cd..
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/find-1.txt b/20210416/find-1.txt
new file mode 100644
index 0000000..d25cf3e
--- /dev/null
+++ b/20210416/find-1.txt
@@ -0,0 +1,25 @@
+cassini/home/peter/bo/2021ss/bs/20210416> find . -name "*.txt"
+./shell-scripts-4.txt
+./shell-scripts-2.txt
+./test-3.txt
+./shell-scripts-3.txt
+./symlinks-3.txt
+./wildcards-1.txt
+./wildcards-3.txt
+./shell-scripts-5.txt
+./shell-scripts-6.txt
+./hardlinks-1.txt
+./.test.txt
+./test/hello.txt
+./chmod-1.txt
+./wildcards-2.txt
+./hardlinks-2.txt
+./shell-scripts-1.txt
+./symlinks-4.txt
+./mount-1.txt
+./test-1.txt
+./grep-3.txt
+./grep-1.txt
+./symlinks-1.txt
+./symlinks-2.txt
+./grep-2.txt
diff --git a/20210416/find-2.txt b/20210416/find-2.txt
new file mode 100644
index 0000000..d7ada23
--- /dev/null
+++ b/20210416/find-2.txt
@@ -0,0 +1,3 @@
+cassini/home/peter/bo/2021ss/bs/20210416> find . -name *.txt
+find: paths must precede expression: `find-1.txt'
+find: possible unquoted pattern after predicate `-name'?
diff --git a/20210416/find-3.txt b/20210416/find-3.txt
new file mode 100644
index 0000000..0f7d97e
--- /dev/null
+++ b/20210416/find-3.txt
@@ -0,0 +1,3 @@
+cassini/home/peter/bo/2021ss/bs/20210416> echo find . -name *.txt
+find . -name chmod-1.txt find-1.txt find-2.txt grep-1.txt grep-2.txt grep-3.txt hardlinks-1.txt hardlinks-2.txt mount-1.txt shell-scripts-1.txt shell-scripts-2.txt shell-scripts-3.txt shell-scripts-4.txt shell-scripts-5.txt shell-scripts-6.txt symlinks-1.txt symlinks-2.txt symlinks-3.txt symlinks-4.txt test-1.txt test-3.txt wildcards-1.txt wildcards-2.txt wildcards-3.txt
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/find-4.txt b/20210416/find-4.txt
new file mode 100644
index 0000000..a37fc24
--- /dev/null
+++ b/20210416/find-4.txt
@@ -0,0 +1,30 @@
+cassini/home/peter/bo/2021ss/bs/20210416> find . -name "*".txt
+./shell-scripts-4.txt
+./shell-scripts-2.txt
+./test-3.txt
+./shell-scripts-3.txt
+./symlinks-3.txt
+./wildcards-1.txt
+./wildcards-3.txt
+./shell-scripts-5.txt
+./shell-scripts-6.txt
+./hardlinks-1.txt
+./.test.txt
+./test/hello.txt
+./chmod-1.txt
+./wildcards-2.txt
+./find-1.txt
+./hardlinks-2.txt
+./shell-scripts-1.txt
+./symlinks-4.txt
+./mount-1.txt
+./test-1.txt
+./grep-3.txt
+./find-2.txt
+./grep-1.txt
+./symlinks-1.txt
+./find-3.txt
+./symlinks-2.txt
+./grep-2.txt
+cassini/home/peter/bo/2021ss/bs/20210416> echo find . -name "*".txt
+find . -name *.txt
diff --git a/20210416/grep-1.txt b/20210416/grep-1.txt
new file mode 100644
index 0000000..22f5ddb
--- /dev/null
+++ b/20210416/grep-1.txt
@@ -0,0 +1,10 @@
+cassini/home/peter/bo/2021ss/bs/20210416> grep -r Hello *.*
+hello.c: printf ("Hello, world!\n");
+unix-20210416.tex: printf ("Hello, world!\n");
+unix-20210416.tex: Text schreiben: \lstinline[style=cmd]{echo "Hello, world!"}
+cassini/home/peter/bo/2021ss/bs/20210416> grep -r Hello *
+hello.c: printf ("Hello, world!\n");
+test/hello.txt:Hello, world!
+unix-20210416.tex: printf ("Hello, world!\n");
+unix-20210416.tex: Text schreiben: \lstinline[style=cmd]{echo "Hello, world!"}
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/grep-2.txt b/20210416/grep-2.txt
new file mode 100644
index 0000000..289385d
--- /dev/null
+++ b/20210416/grep-2.txt
@@ -0,0 +1,30 @@
+cassini/home/peter/bo/2021ss/bs/20210416> grep -r Hello .*
+./hello.c: printf ("Hello, world!\n");
+./test/hello.txt:Hello, world!
+./grep-1.txt:cassini/home/peter/bo/2021ss/bs/20210416> grep -r Hello *.*
+./grep-1.txt:hello.c: printf ("Hello, world!\n");
+./grep-1.txt:unix-20210416.tex: printf ("Hello, world!\n");
+./grep-1.txt:unix-20210416.tex: Text schreiben: \lstinline[style=cmd]{echo "Hello, world!"}
+./grep-1.txt:cassini/home/peter/bo/2021ss/bs/20210416> grep -r Hello *
+./grep-1.txt:hello.c: printf ("Hello, world!\n");
+./grep-1.txt:test/hello.txt:Hello, world!
+./grep-1.txt:unix-20210416.tex: printf ("Hello, world!\n");
+./grep-1.txt:unix-20210416.tex: Text schreiben: \lstinline[style=cmd]{echo "Hello, world!"}
+../20210416/hello.c: printf ("Hello, world!\n");
+../20210416/test/hello.txt:Hello, world!
+../20210416/grep-1.txt:cassini/home/peter/bo/2021ss/bs/20210416> grep -r Hello *.*
+../20210416/grep-1.txt:hello.c: printf ("Hello, world!\n");
+../20210416/grep-1.txt:unix-20210416.tex: printf ("Hello, world!\n");
+../20210416/grep-1.txt:unix-20210416.tex: Text schreiben: \lstinline[style=cmd]{echo "Hello, world!"}
+../20210416/grep-1.txt:cassini/home/peter/bo/2021ss/bs/20210416> grep -r Hello *
+../20210416/grep-1.txt:hello.c: printf ("Hello, world!\n");
+../20210416/grep-1.txt:test/hello.txt:Hello, world!
+../20210416/grep-1.txt:unix-20210416.tex: printf ("Hello, world!\n");
+../20210416/grep-1.txt:unix-20210416.tex: Text schreiben: \lstinline[style=cmd]{echo "Hello, world!"}
+../20210409/unix-20210409.tex: printf ("Hello, world!\n");
+../20210409/unix-20210409.tex: Text schreiben: \lstinline[style=cmd]{echo "Hello, world!"}
+../20210409/hello.c: printf ("Hello, world!\n");
+../20210409/shell-variables-2.txt:Hello, world!
+../20210409/shell-variables-2.txt:Hello, world!
+../20210409/shell-variables-2.txt:Hello, world!
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/grep-3.txt b/20210416/grep-3.txt
new file mode 100644
index 0000000..ef1b9bc
--- /dev/null
+++ b/20210416/grep-3.txt
@@ -0,0 +1,2 @@
+cassini/home/peter/bo/2021ss/bs/20210416> echo grep -r Hello .*
+grep -r Hello . .. .test.txt
diff --git a/20210416/hardlinks-1.txt b/20210416/hardlinks-1.txt
new file mode 100644
index 0000000..8409d23
--- /dev/null
+++ b/20210416/hardlinks-1.txt
@@ -0,0 +1,22 @@
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l test-*.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 12:30 test-2.txt
+lrwxrwxrwx 1 peter peter 10 Apr 16 14:37 test-3.txt -> test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416> ln test-2.txt test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l test-*.txt
+-rw-r--r-- 2 peter peter 7 Apr 16 12:30 test-1.txt
+-rw-r--r-- 2 peter peter 7 Apr 16 12:30 test-2.txt
+lrwxrwxrwx 1 peter peter 10 Apr 16 14:37 test-3.txt -> test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-1.txt
+Test 2
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-2.txt
+Test 2
+cassini/home/peter/bo/2021ss/bs/20210416> echo "Test 1" > test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-1.txt
+Test 1
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-2.txt
+Test 1
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l test-*.txt
+-rw-r--r-- 2 peter peter 7 Apr 16 14:47 test-1.txt
+-rw-r--r-- 2 peter peter 7 Apr 16 14:47 test-2.txt
+lrwxrwxrwx 1 peter peter 10 Apr 16 14:37 test-3.txt -> test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/hardlinks-2.txt b/20210416/hardlinks-2.txt
new file mode 100644
index 0000000..4234e50
--- /dev/null
+++ b/20210416/hardlinks-2.txt
@@ -0,0 +1,10 @@
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l test-*.txt
+-rw-r--r-- 2 peter peter 7 Apr 16 14:47 test-1.txt
+-rw-r--r-- 2 peter peter 7 Apr 16 14:47 test-2.txt
+lrwxrwxrwx 1 peter peter 10 Apr 16 14:37 test-3.txt -> test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416>
+cassini/home/peter/bo/2021ss/bs/20210416> rm test-2.txt
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l test-*.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 14:47 test-1.txt
+lrwxrwxrwx 1 peter peter 10 Apr 16 14:37 test-3.txt -> test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/hello b/20210416/hello
new file mode 100755
index 0000000..9f3f770
--- /dev/null
+++ b/20210416/hello
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+echo "Hello, world!"
diff --git a/20210416/hello.c b/20210416/hello.c
new file mode 100644
index 0000000..b19d80e
--- /dev/null
+++ b/20210416/hello.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main (void)
+{
+ printf ("Hello, world!\n");
+ return 0;
+}
diff --git a/20210416/mount-1.txt b/20210416/mount-1.txt
new file mode 100644
index 0000000..07569ee
--- /dev/null
+++ b/20210416/mount-1.txt
@@ -0,0 +1,21 @@
+cassini/home/peter/bo/2021ss/bs/20210416> ls -lh ~/Www/Was\ läuft\ falsch\ in\ der\ gegenwärtigen\ Physik-99hVAu1k6G8.mp4
+-rw-r--r-- 1 peter peter 155M Mai 20 2019 '/home/peter/Www/Was läuft falsch in der gegenwärtigen Physik-99hVAu1k6G8.mp4'
+cassini/home/peter/bo/2021ss/bs/20210416> cp -pi ~/Www/Was\ läuft\ falsch\ in\ der\ gegenwärtigen\ Physik-99hVAu1k6G8.mp4 /media/usb
+usb/ usb0/ usb1/ usb2/ usb3/ usb4/ usb5/ usb6/ usb7/
+cassini/home/peter/bo/2021ss/bs/20210416> cp -pi ~/Www/Was\ läuft\ falsch\ in\ der\ gegenwärtigen\ Physik-99hVAu1k6G8.mp4 /media/usb
+usb/ usb0/ usb1/ usb2/ usb3/ usb4/ usb5/ usb6/ usb7/
+cassini/home/peter/bo/2021ss/bs/20210416> cp -pi ~/Www/Was\ läuft\ falsch\ in\ der\ gegenwärtigen\ Physik-99hVAu1k6G8.mp4 /media/usb3/
+cassini/home/peter/bo/2021ss/bs/20210416> mount | grep usb
+cassini/home/peter/bo/2021ss/bs/20210416> mount /media/usb3/
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l /media/usb3/
+insgesamt 4
+-rwxr-xr-x 1 peter peter 40 Dez 3 10:52 nm.txt
+-rwxr-xr-x 1 peter peter 0 Apr 16 12:52 'Was läuft falsch in der gegenwärtigen Physik-99hVAu1k6G8.mp4'
+cassini/home/peter/bo/2021ss/bs/20210416> cp -pi ~/Www/Was\ läuft\ falsch\ in\ der\ gegenwärtigen\ Physik-99hVAu1k6G8.mp4 /media/usb3/
+cp: '/media/usb3/Was läuft falsch in der gegenwärtigen Physik-99hVAu1k6G8.mp4' überschreiben? y
+cassini/home/peter/bo/2021ss/bs/20210416> umount /media/usb3
+cassini/home/peter/bo/2021ss/bs/20210416> mount /media/usb3
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l /media/usb3/ insgesamt 158284
+-rwxr-xr-x 1 peter peter 40 Dez 3 10:52 nm.txt
+-rwxr-xr-x 1 peter peter 162077261 Mai 20 2019 'Was läuft falsch in der gegenwärtigen Physik-99hVAu1k6G8.mp4'
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/shell-scripts-1.txt b/20210416/shell-scripts-1.txt
new file mode 100644
index 0000000..b979d46
--- /dev/null
+++ b/20210416/shell-scripts-1.txt
@@ -0,0 +1,4 @@
+cassini/home/peter/bo/2021ss/bs/20210416> cat cd..
+cd ..
+cassini/home/peter/bo/2021ss/bs/20210416> cd..
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/shell-scripts-2.txt b/20210416/shell-scripts-2.txt
new file mode 100644
index 0000000..e936daf
--- /dev/null
+++ b/20210416/shell-scripts-2.txt
@@ -0,0 +1,8 @@
+cassini/home/peter/bo/2021ss/bs/20210416> cat cd..
+pwd
+cd ..
+pwd
+cassini/home/peter/bo/2021ss/bs/20210416> cd..
+/home/peter/bo/2021ss/bs/20210416
+/home/peter/bo/2021ss/bs
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/shell-scripts-3.txt b/20210416/shell-scripts-3.txt
new file mode 100644
index 0000000..64dede0
--- /dev/null
+++ b/20210416/shell-scripts-3.txt
@@ -0,0 +1,8 @@
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l hello
+-rw-r--r-- 1 peter peter 21 Apr 16 14:24 hello
+cassini/home/peter/bo/2021ss/bs/20210416> cat hello
+echo "Hello, world!"
+cassini/home/peter/bo/2021ss/bs/20210416> chmod 755 hello
+cassini/home/peter/bo/2021ss/bs/20210416> ./hello
+Hello, world!
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/shell-scripts-4.txt b/20210416/shell-scripts-4.txt
new file mode 100644
index 0000000..25ea052
--- /dev/null
+++ b/20210416/shell-scripts-4.txt
@@ -0,0 +1,7 @@
+cassini/home/peter/bo/2021ss/bs/20210416> cat hello
+#!/bin/bash
+
+echo "Hello, world!"
+cassini/home/peter/bo/2021ss/bs/20210416> ./hello
+Hello, world!
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/shell-scripts-5.txt b/20210416/shell-scripts-5.txt
new file mode 100644
index 0000000..aa400ee
--- /dev/null
+++ b/20210416/shell-scripts-5.txt
@@ -0,0 +1,14 @@
+cassini/home/peter/bo/2021ss/bs/20210416> cat calculate
+#!/usr/bin/bc
+
+2 ^ 50 / 10 / 1000 / 1000 / 1000000
+cassini/home/peter/bo/2021ss/bs/20210416> ./calculate
+bc 1.07.1
+Copyright 1991-1994, 1997, 1998, 2000, 2004, 2006, 2008, 2012-2017 Free Software Foundation, Inc.
+This is free software with ABSOLUTELY NO WARRANTY.
+For details type `warranty'.
+112
+^C
+(interrupt) use quit to exit.
+quit
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/shell-scripts-6.txt b/20210416/shell-scripts-6.txt
new file mode 100644
index 0000000..21e310e
--- /dev/null
+++ b/20210416/shell-scripts-6.txt
@@ -0,0 +1,9 @@
+cassini/home/peter/bo/2021ss/bs/20210416> cat calculate
+#!/usr/bin/bc -q
+
+2 ^ 50 / 10 / 1000 / 1000 / 1000000
+
+quit
+cassini/home/peter/bo/2021ss/bs/20210416> ./calculate
+112
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/symlinks-1.txt b/20210416/symlinks-1.txt
new file mode 100644
index 0000000..082d37f
--- /dev/null
+++ b/20210416/symlinks-1.txt
@@ -0,0 +1,12 @@
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l test-*.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 12:30 test-1.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 12:30 test-2.txt
+lrwxrwxrwx 1 peter peter 10 Apr 16 14:37 test-3.txt -> test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-1.txt
+Test 1
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-3.txt
+Test 1
+cassini/home/peter/bo/2021ss/bs/20210416> rm test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-3.txt
+cat: test-3.txt: Datei oder Verzeichnis nicht gefunden
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/symlinks-2.txt b/20210416/symlinks-2.txt
new file mode 100644
index 0000000..242cce4
--- /dev/null
+++ b/20210416/symlinks-2.txt
@@ -0,0 +1,7 @@
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l test-*.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 14:39 test-1.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 12:30 test-2.txt
+lrwxrwxrwx 1 peter peter 10 Apr 16 14:37 test-3.txt -> test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-1.txt
+Test 3
+cassini/home/peter/bo/2021ss/bs/20210416> ln -s test-1.txt test-3.txt
diff --git a/20210416/symlinks-3.txt b/20210416/symlinks-3.txt
new file mode 100644
index 0000000..ed65d60
--- /dev/null
+++ b/20210416/symlinks-3.txt
@@ -0,0 +1,9 @@
+cassini/home/peter/bo/2021ss/bs/20210416> rm test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416> ln -s test-3.txt test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l test-*.txt
+lrwxrwxrwx 1 peter peter 10 Apr 16 14:42 test-1.txt -> test-3.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 12:30 test-2.txt
+lrwxrwxrwx 1 peter peter 10 Apr 16 14:37 test-3.txt -> test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-1.txt
+cat: test-1.txt: Zu viele Ebenen aus symbolischen Links
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/symlinks-4.txt b/20210416/symlinks-4.txt
new file mode 100644
index 0000000..74f32b7
--- /dev/null
+++ b/20210416/symlinks-4.txt
@@ -0,0 +1,12 @@
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l test-*.txt
+lrwxrwxrwx 1 peter peter 10 Apr 16 14:42 test-1.txt -> test-3.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 12:30 test-2.txt
+lrwxrwxrwx 1 peter peter 10 Apr 16 14:37 test-3.txt -> test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-1.txt
+cat: test-1.txt: Zu viele Ebenen aus symbolischen Links
+cassini/home/peter/bo/2021ss/bs/20210416>
+cassini/home/peter/bo/2021ss/bs/20210416> rm test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l test-*.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 12:30 test-2.txt
+lrwxrwxrwx 1 peter peter 10 Apr 16 14:37 test-3.txt -> test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/test-1.txt b/20210416/test-1.txt
new file mode 100644
index 0000000..ac5ab8f
--- /dev/null
+++ b/20210416/test-1.txt
@@ -0,0 +1 @@
+Test 1
diff --git a/20210416/test-3.txt b/20210416/test-3.txt
new file mode 120000
index 0000000..e512c20
--- /dev/null
+++ b/20210416/test-3.txt
@@ -0,0 +1 @@
+test-1.txt
\ No newline at end of file
diff --git a/20210416/test/hello.txt b/20210416/test/hello.txt
new file mode 100644
index 0000000..af5626b
--- /dev/null
+++ b/20210416/test/hello.txt
@@ -0,0 +1 @@
+Hello, world!
diff --git a/20210416/unix-20210416.tex b/20210416/unix-20210416.tex
new file mode 120000
index 0000000..8548cff
--- /dev/null
+++ b/20210416/unix-20210416.tex
@@ -0,0 +1 @@
+../20210409/unix-20210409.tex
\ No newline at end of file
diff --git a/20210416/wildcards-1.txt b/20210416/wildcards-1.txt
new file mode 100644
index 0000000..8061b6b
--- /dev/null
+++ b/20210416/wildcards-1.txt
@@ -0,0 +1,36 @@
+cassini/home/peter/bo/2021ss/bs/20210416> echo "Test 1" > test-1.txt
+cassini/home/peter/bo/2021ss/bs/20210416> echo "Test 2" > test-2.txt
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-1.txt
+Test 1
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-2.txt
+Test 2
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l
+insgesamt 16
+lrwxrwxrwx 1 peter peter 27 Apr 16 10:27 bs-20210416.pdf -> ../20210409/bs-20210409.pdf
+-rw-r--r-- 1 peter peter 0 Apr 16 11:53 cd..
+-rw-r--r-- 1 peter peter 82 Apr 16 12:20 hello.c
+drwxr-xr-x 2 peter peter 4096 Apr 16 12:25 test
+-rw-r--r-- 1 peter peter 7 Apr 16 12:26 test-1.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 12:26 test-2.txt
+lrwxrwxrwx 1 peter peter 29 Apr 16 10:19 unix-20210416.pdf -> ../20210409/unix-20210409.pdf
+lrwxrwxrwx 1 peter peter 29 Apr 16 12:06 unix-20210416.tex -> ../20210409/unix-20210409.tex
+cassini/home/peter/bo/2021ss/bs/20210416> cd test
+cassini/home/peter/bo/2021ss/bs/20210416/test> cp -p ../test*.txt
+cassini/home/peter/bo/2021ss/bs/20210416/test> ls -l
+insgesamt 0
+cassini/home/peter/bo/2021ss/bs/20210416/test> cd ..
+cassini/home/peter/bo/2021ss/bs/20210416> ls -l
+insgesamt 16
+lrwxrwxrwx 1 peter peter 27 Apr 16 10:27 bs-20210416.pdf -> ../20210409/bs-20210409.pdf
+-rw-r--r-- 1 peter peter 0 Apr 16 11:53 cd..
+-rw-r--r-- 1 peter peter 82 Apr 16 12:20 hello.c
+drwxr-xr-x 2 peter peter 4096 Apr 16 12:25 test
+-rw-r--r-- 1 peter peter 7 Apr 16 12:26 test-1.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 12:26 test-2.txt
+lrwxrwxrwx 1 peter peter 29 Apr 16 10:19 unix-20210416.pdf -> ../20210409/unix-20210409.pdf
+lrwxrwxrwx 1 peter peter 29 Apr 16 12:06 unix-20210416.tex -> ../20210409/unix-20210409.tex
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-1.txt
+Test 1
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-2.txt
+Test 1
+cassini/home/peter/bo/2021ss/bs/20210416>
diff --git a/20210416/wildcards-2.txt b/20210416/wildcards-2.txt
new file mode 100644
index 0000000..fd44a83
--- /dev/null
+++ b/20210416/wildcards-2.txt
@@ -0,0 +1,3 @@
+cassini/home/peter/bo/2021ss/bs/20210416/test> echo cp -p ../test*.txt
+cp -p ../test-1.txt ../test-2.txt
+cassini/home/peter/bo/2021ss/bs/20210416/test>
diff --git a/20210416/wildcards-3.txt b/20210416/wildcards-3.txt
new file mode 100644
index 0000000..7abffc8
--- /dev/null
+++ b/20210416/wildcards-3.txt
@@ -0,0 +1,14 @@
+cassini/home/peter/bo/2021ss/bs/20210416> for x in 1 2 3; do echo "Test $x" > test-$x.txt; donecassini/home/peter/bo/2021ss/bs/20210416> ls -l test*.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 12:30 test-1.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 12:30 test-2.txt
+-rw-r--r-- 1 peter peter 7 Apr 16 12:30 test-3.txt
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-1.txt
+Test 1
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-2.txt
+Test 2
+cassini/home/peter/bo/2021ss/bs/20210416> cat test-3.txt
+Test 3
+cassini/home/peter/bo/2021ss/bs/20210416> cd test/
+cassini/home/peter/bo/2021ss/bs/20210416/test> cp -p ../test*.txt
+cp: das angegebene Ziel '../test-3.txt' ist kein Verzeichnis
+cassini/home/peter/bo/2021ss/bs/20210416/test>
diff --git a/projekte.txt b/projekte.txt
index 9117431..21956a5 100644
--- a/projekte.txt
+++ b/projekte.txt
@@ -22,3 +22,9 @@
- Mumble-Client: Forward-Error-Correction aktivierbar machen
- PULT auf übersichtlichere und effizientere Weise neu programmieren
* Docker für PULT
+ - Komfortable Fernsteuerung von Rechnern von Teilnehmenden über VNC in PULT
+ - Komfortable Fernsteuerung von Rechnern von Teilnehmenden über VNC in BBB
+ - Work Advanture für die Hochschule installieren
+ Bsp-Instanz aus Bochum (von dem dortigen Hackspace): https://virtuallab.das-labor.org/
+ Doku dazu: https://howto.rc3.world/workadventure.en.html
+ - Treiber für freies Smartphone
--
GitLab