How to Use Bash

Step-by-Step Guide

1. 1

   Step 1: Learn how to navigate directories and list contents.

   ls will list contents of a directory. cd will change directory. cd .. will change up a directory level.
2. 2

   Step 2: Learn how to manage files and directories.

   Creating, copying, moving, renaming, deleting and setting permissions.
   
   Midnight Commander is a command-line Orthodox File Manager. mkdir will create a directory. cp will copy a file. mv will move or rename a file. rm will remove a file. chmod will set file permissions. , nano is a common command-line text editor. vi is a common and very powerful text editor. , grep is popular and powerful tool for searching for expressions within files.
   
   Use Regular Expressions such as dot-asterisk ".*" as a wildcard. find will find files that meet some condition. locate will find files anywhere on the system by name. , You can connect to the internet via the command-line. ifconfig and iwconfig are widely-used to configure network settings. ifup and ifdown will often start and stop, respectively, network connections.
   
   Most current desktop-oriented Linux systems use NetworkManager, which disables most command-line configuration for networking. , ImageMagick is a good graphics editor. , Adding, removing, changing passwords can be done via the command-line. adduser(sometimes useradd) is a command line tool to add users. , man and info are the programs that describe commands. ,, e.g. "echo first,second,third | cut
   -d '
   
   '
   -f 2" prints "second". , "ls >file_listing.txt" will put a list of all files in the current directory in the file "file_listing.txt".
   
   Any command may accept input from a file with '<' e.g. bash <command_list.txt
3. 3

   Step 3: Learn how to edit files with text editors.

4. 4

   Step 4: Learn how to search.

5. 5

   Step 5: Learn how to network.

6. 6

   Step 6: Learn how to use multimedia software from the command-line.

7. 7

   Step 7: Learn how to manage users.

8. 8

   Step 8: Get help.

9. 9

   Step 9: Bash has a lot of other commands built-in "if" chooses different actions based on the result of a command or test "for" repeats a command for each value in a set "case" chooses one of several actions based on a value

10. 10

    Step 10: Bash uses a pipeline to perform complex tasks A pipeline is created when the output from one command is connected to the input of another command using the "|" character.

11. 11

    Step 11: Bash can redirect input and output The output of any command may be written in a file with '>' e.g.

Detailed Guide

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