Chapter-2.md

My Understanding:

• Use head to display the first 10 lines from a file and tail for the last 10 lines.
• nl numbers the lines in a file.
• grep filters file content based on specified patterns.
• With sed, replace specific strings in a file and save changes to a new file.
• more and less allow viewing file contents page by page, with less offering additional functionalities.

Exercise Solution:

# 1. 
cd /opt/metasploit-framework/embedded/framework/data/wordlists

# 2. 
cat password.lst

# 3.
more password.lst

# 4
less password.lst

# 5.
nl password.lst

# 6.
tail -20 password.lst

# 7.
cat password.lst | grep 123