שלום אורח התחבר

אורך הפרק כ-10 דקות

 

# quoting
$ echo hello    world
hello world

$ echo "hello    world"
hello    world

# create two files: one named my and the other named file
$ touch my file

# create one file named my file (with a space in between)
$ touch "my file"

# variable substitution - prints the current user name
$ echo $USER