Command Line QuickStart for Ubuntu 17.04

Hello Ubuntu User! This Tutorial Shows You Step-by-step How-to Getting-Started with the Bash Commands on Ubuntu 17.04 Zesty Zapus GNU/Linux.

First, this is Just a ‘Quick and Dirty’ Introduction to the Command Line Basic Instructions on the Console/Terminal Bash Shell emulator.

Most noteworthy: this Tutorial is Step-by-Step and You Can Just Getting-Started Following and Executing each Command without any Harm for Your System 🙂

Furthermore, take into account how only the ‘Practice Makes the Master‘; so ‘Take it Easy!‘ 😉

Finally, most Commands should Works also on the others Linux Shells like: Bourne, C, TC and Korn.

1. Launching Ubuntu Terminal

   Press: Ctrl+Alt+t
   Or: Cmd/Win and Search ‘terminal’
   Press “Enter” to Execute Commands on Console

   





2. To List a Directory’s Contents

   (Directories and Files included)

   ls [/path]

   For Example to List the Content of the Root Directory:

   ls /

   Or to List the Content of the Home Directory:

   ls $HOME






3. To Change Directory

   cd [/path]

   For Example to Go into the Home Directory:

   cd $HOME

4. To Make Directories and Files

   To Create a Directory do:

   mkdir [/path]/myDirectory

   For Instance:

   mkdir $HOME/test

   To Create a Blank File do:

   touch [/path]/myFile

   For Instance:

   touch $HOME/test/test






5. To Copy Directories and Files

   To Copy a Single File:

   cp [/path]/myFile1 [/path]/toTargetDirectory/myEventualNewFileName

   (After a ‘\’ to Press ‘Enter’ the Command is Not Executed but instead only a ‘Carriage Return’ Like in a Typewriter)
   To Copy Multiple Files:

   cp [/path]/myFile1 ... [/path]/myFileN \
   [/path]/toTargetDirectory/

   For Instance to Copy a Single File:

   cp $HOME/test/test $HOME/test/hello 

   To Copy a Single Directory:

   cp -r [/path]/myDirectory1 [/path]/toTargetDirectory/myEventualDirectoryName

   To Copy Multiple Directories:

   cp -r [/path]/myDirectory1 ... [/path]/myDirectoryN \
   [/path]/toTargetDirectory/

   Now for Instance to Copy a Single Directory do:

   cp -r $HOME/test $HOME/hello

6. To Move Directories and Files

   Moving a Single File:

   mv [/path]/myFile1 [/path]/toTargetDirectory/myEventualNewFileName

   To Move Multiple Files:

   mv [/path]/myFile1 ... [/path]/myFileN \
   [/path]/toTargetDirectory/

   The Same Command is Valid Also for Directories!
   
   Now for Instance to Move a Single File do:

   mv $HOME/test/test $HOME/hello/hello

7. To Delete Directories and Files

   To Delete a File do:

   rm [/path]/myFile

   For Instance:

   rm $HOME/test/test

   Removing a Directory do:

   rm -rf [/path]/myDirectory

   For Instance:

   rm -rf $HOME/test

8. How-to Get the Admin Super-Powers

   To Login as SuperUser:

   sudo su

   If Got “User is Not in Sudoers file” then Look: Solution
   
   To Logout from SuperUser:

   exit

   (To Protect Your System from the possible Damages of an Hazardous ‘Crazy’ Command Execution the Logout ‘Should’ be Executed Every Time a Conscious and Meaningful Series of Commands has been Achieved… )
   To Execute a Command as SuperUser:

   sudo su -c 'myCommand'

   Or:

   sudo myCommand

9. How-to Set Permissions on Ubuntu File System:

   Ubuntu Permissions Quick-Start

   Setting Up Permissions on Ubuntu.

Here is achieved the ‘Quick&Dirty’ Initiation to the Ubuntu Command Line Sphere 🙂
I’ll be Back Very Soon to Show the Basics of the Apt Software Packages and Repository Administration Commands!