Shell Scripting Tutorial for Beginners 2 - using Variables and Comments

In Linux (Shell), there are two types of variable: (1) System variables - Created and maintained by Linux itself. This type of variable defined in CAPITAL LETTERS. (2) User defined variables (UDV) - Created and maintained by user. This type of variable defined in lower letters. Shell variables - var refers to the name, $var to the value - t = 100 #Sets var t to value 100 - echo ”\$t = $t” #will print: $t = 100 - Remove a variable with unset var - Names begin with alpha characters and include alpha, numeric, or underscore ★★★Top Online Courses From ProgrammingKnowledge ★★★ Python Programming Course ➡️ ⚫️ Java Programming Course ➡️ ⚫️ Bash Shell Scripting Course ➡️ ⚫️ htt ... #ProgrammingKnowledge #Bourne_Shell_and_Programming #Bash_scripting #Unix #Tutorials #Learning #Operating #System #OS #Beginners 20170219 vQv4W-JfrmQ