In the last chapter, we learned a few more commands of intermediate difficulty. We are very comfortable now with the command prompt and can navigate the filesystem of Linux and other Unix-like OSs. We can use simple file and directory commands. We are also comfortable with various operators and piping.
In this chapter, we will learn advanced commands and tools in Unix. The following is the list of topics we will learn in this chapter:
Shell and environment variables
Useful Linux commands
Useful Unix tools
After this chapter, we will be very comfortable with ...
