13,420
edits
Changes
→Using Variables in Shell Scripts
A positional parameter is a variable within a shell program; its value is set from an argument specified<br>on the command line that invokes the program.
Positional parameters are numbered and are referred to <br>with a preceding "'''$'''": '''$1''', '''$2''', '''$3''', and so on.
There are a few ways to assign values as positional parameters: