Update linux-assessment.md (#3188)

* Update linux-assessment.md * Update linux-assessment.md
Ebazhanov · Feb 28, 2022 · 26d4275 · 26d4275
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diff --git a/linux/linux-assessment.md b/linux/linux-assessment.md
@@ -678,3 +678,14 @@ if [[ $FILE == $GLOB ]] ;then
 - [ ] the output from the command line.
 - [ ] Nothing, because you cannot redirect from a file (in.txt) to another file (out.txt). You can redirect only from a command to a file.
 - [ ] Nothing, The redirect will create a new empty file, but there will not be any output from the cat command to redirect.
+
+### Q83. Using alternation in a POSIX-extended regular expression, which numbers would this pattern match?
+
+```
+^(([0-9][0-9]?)|(2[0-9][0-9]))$
+```
+
+- [x] 0-99 and 200-299
+- [ ] 0-99
+- [ ] 200-299
+- [ ] 0-299