NAME="Bob"echo${NAME}# => Bob :This prints the variable valueecho$NAME# => Bob :This prints the variable valueecho"$NAME"# => Bob :This prints the variable valueecho'$NAME'# => $NAME : This will print the Exact string not value.echo"${NAME}!"# => Bob! :Concatenation of variable value with !# Note: When declaring variables there should be no spaces between the variable# name and equal sign and between the equal sign and the variable value.# this will throw and errorNAME="Bob"# => Error (about space)
# This is an inline Bash comment.
: 'This is aMulti-line commentin bashIf it looks very neat'# **Note you can replace the single quoations with**# **double qoutations**