| 1 | my_var=10 |
| 2 | x=123 |
| 3 | echo $1 |
| 4 | echo $USER |
| 5 | ${HOME} |
| 6 | ((a+b)) |
| 7 | ((a*b)) |
| 8 | ((a/b)) |
| 9 | ((a%b)) |
| 10 | ((a|b)) |
| 11 | ((a^b)) |
| 12 | ((a=b)) |
| 13 | ((a!b)) |
| 14 | ((a<b)) |
| 15 | ((a>b)) |
| 16 | $((a<b)) |
| 17 | $((a>b)) |
| 18 | $((a&b)) |
| 19 | $((a|b)) |
| 20 | ${a:b} |
| 21 | ${a:b} |
| 22 | ${a:b} |
| 23 | ${a:b} |
| 24 | ${a#*/} |
| 25 | ${a%.*} |
| 26 | ${a^} |
| 27 | ${a,} |
| 28 | ${a} |
| 29 | ${a[*]} |
| 30 | ls -a |
| 31 | ls --all |