Changes between Version 4 and Version 5 of Csle2022/Agenda/linuxhandson

Timestamp:

Nov 27, 2022, 8:32:47 AM (2 years ago)

Author:

tuwan

Comment:

--

Csle2022/Agenda/linuxhandson

@@ -406 +406 @@
 Permissions have values like this:
 
- 
+[[Image(reference.png, 300px, nolink))]]
 
  
 Thus you can give permissions to a file using the sum of the values for each permission you wish to give for each column. Here is an example:
 
-
+[[Image(letterpermission.png, 400px, nolink))]]
  
 
@@ -418 +418 @@
 
 
- 
+[[Image(permission_dis.png, 600px, nolink))]]
 
  
@@ -456 +456 @@
 $ sudo su
 
-•       Change the ownership and group of the numbers2.txt to root and make it read only for all the other users.
-•       Change the ownership and group of the numbers3.txt to root and remove all the privileges from all the other users.
-•       Switch back to your user and try to view numbers3.txt and try to edit numbers2.txt
+* Change the ownership and group of the numbers2.txt to root and make it read only for all the other users.
+* Change the ownership and group of the numbers3.txt to root and remove all the privileges from all the other users.
+* Switch back to your user and try to view numbers3.txt and try to edit numbers2.txt
 }}}
  
+[[Image(sudosu.png, 400px, nolink))]]
  
 === More Linux Commands ===
 
-{{{
+
 who: who command will give you information about who is logged on the system.
-
+{{{
 $ who
+}}}
 
 whoami command tells you your username
-
+{{{
 $ whoami
-
-df -dh: report file system disk space usage
+}}}
+
+df -h: report file system disk space usage
+{{{
+df -h
+}}}
+
+[[Image(whoami.png, 400px, nolink))]]
 
 man: Will give you man pages (also called manual pages) on your Unix or Linux computer