Day4 ( Working with Files and Directories )

We continued our file-system exploration journey by looking at some commands. Also most importantly the file descriptors!

File Descriptors are very important to understand, they are widely used in Shell scripts!

Agenda for Day4

Determining Where you are in the Directory Structure
- pwd (print name of current/working directory)
Viewing File Content ( Revisited )
- cat (concatenate files and print on the standard output)
Copying Files and Directories
- cp (copy files and directories)
Searching Files and Directories
- find (search for files in a directory hierarchy)
- locate (find files by name)
Creating and Removing Files and Directories
- touch (change file timestamps, create blank files)
- vi (Vi Improved, a programmer's text editor)
- nano (Nano's ANOther editor, an enhanced free Pico clone)
The Standard Files
File Descriptors ( 0, 1, 2 ) ( Revisited )
Input Redirection
Output Redirection
Combined Redirection
Pipes ( | )