| 3 4 |
| 5 6 7 8 9 |
| 7 8 9 |
| /usr/chet |
| /usr/chet |
| /usr/chet |
| /a/b/c |
| /usr/chet |
| /usr/chet 7 |
| /a/b/c 9 /a/b/c |
| /a/b/c 9 /a/b/c |
| /a/b/c /a/b/c |
| 1 2 |
| 1 1 |
| unset |
| toronto airport |
| AVAR |
| song by rush |
| BVAR |
| toronto airport |
| AVAR |
| AVAR |
| 42 |
| /bin:/usr/bin:/usr/local/bin:. |
| avar=([0]="/bin:/usr/bin:/usr/local/bin:.") |
| z=yy |
| 42 |
| declare -i ivar="10" |
| unset |
| declare -x ivar="42" |
| hB |
| braceexpand:hashall:interactive-comments |
| hPB |
| braceexpand:hashall:interactive-comments:physical |
| declare -r SHELLOPTS="braceexpand:hashall:interactive-comments:physical" |
| abcde |
| 20 |
| 30 |
| 40 |
| 50 |
| |0|10| |
| 10 |
| |0|10| |
| 10 |
| |0|10| |
| 10 |
| |4| |
| 4 |
| |0|11| |
| after fff3: x=4 |
| |0|12| |
| |y| |
| |y| |