Linux: This Book Includes 4 Manuscripts. The Underground Bible to the unix operating System with Tools On Security and Kali Hacking to Understand Computer Programming, Data Science and Command Line

will not let you delete any system files such as log files. To remove any
files, you need to use the rm command as shown in the following example
vulnerhost @ example: del example.gif
6) Move or rename files
Linux provides a command that can be used for both moving and renaming
files. Moving files may become essential to hide forensic investigators
about the attack you have done. It may be also a lifesaver to easily get
sensitive information. 
This command can also be used to rename files. Below is the example that
describes the following two use cases:
vulnerhost @ example : mv example.gif
[for moving the file]
vulnerhost @ example : mv example.gf to report.gif
[for renaming the files]
7) View the file
Normally text editors or IDEs can be used to view the file content. Certain
file types for suppose like an MP3 can be opened by a music player
software. However, Linux provides a command called the cat that will let us
read the file in the same way that Linux kernel reads it. Below is the
command for the cat command with an example.
vulnerhost @ example: cat songs.tx t
8) Head Command
Normally files consist of a lot of information and can cause crashes will
opening using the cat command. To get rid of this disadvantage you can just
see the first 10 lines of any file using the head command. This will help for
a fast recheck of log files when there is an attack or delete your login
information when you are the attacker.

Below is the command to view the file:
vulnerhost @ example: head songs.txt
9) Tail Command
If the head command lets the users see the first 10 lines of the files, the tail
lets the users see the bottom 10 lines of the code. This can be used to easily
organize the system programs by using their results or to see the final result
of the system processes. 
Here is an example that describes the following command:
vulnerhost @ example: tail songs.txt

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