Linus Administration training

Linux Administration
Unit I
1. Linux History
What is open source
Linux origins
Red hat distributions
Principles of Linux

2. Linux Basics
Logging in to a Linux system
Virtual consoles and graphical environment
Changing your password
The root user
Changing identities
Editing text files

3. Help in Linux
The whatis command
The –help option
The man command
The info command
Navigating man and info pages

4. Browsing the file system
Linux file hierarchy
Important directories
Current working directory – pwd
Listing directory contents – ls
Creating files – touch, cat, dd
Creating and removing directories – mkdir, rmdir, rm
Coping files and directories – cp
Moving and renaming files and directories – mv
Changing directories – cd
Absolute and Relative Path’s

5. Users, groups and permissions
Creating Users - useradd
Creating Groups - grpadd
Linux File security
Permission Precedence
Permission Types
Changing Permissions – chmod(Symbolic and Numeric method)
Changing file ownership - chown
Changing group ownership – chgrp

6. Working on the bash shell
Command line short cuts
History command
Command line expansion
Bash variables
Scripting basics
Creating shell scripts

7. Standard I/O and pipes
Standard input and output
Redirecting output to a file
Redirecting output to a program
Combining output and errors
Redirecting to file and command – tee
Redirecting input from a file

8. Text processing tools
Viewing file contents – cat, less
Viewing file excerpts – head, tail
Searching for a string in a file – grep
Extracting text by column – cut
Gathering text statistics – wc
Sorting text – sort
Elimination of duplicate lines – unique

9. vi – an advanced text editor

10. Processes
The test command

11. Configuring the bash shell




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