Shell Programming
Introduction
An Introduction to Shell Programming.
Filters
A filter is a Linux command that does some manipulation of the text of a file. A filter reads a file, else its standard input (stdin)A filter is a Linux command that does some manipulation of the text of a file. A filter reads a file, else its standard input (stdin); writes to its standard output (stdout). A pipe (written |) connects stdout of one process to stdin of another process.
Advanced Filters
Advanced filters are used to filter and manipulate the data from cli and in shell scripts.
Linux Startup Sequence
When a Linux machine comes to life, a particular sequence of events takes place.
Linux Shell
User interacts with shell and shell talks to kernel and kernel talks to hardware. Hardware does the job. You can write commands or write shell scripts.