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common/*: update pages of POSIX special Built-In utilities (#11858)

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* eval, exec, exit, export, readonly, set, shift, trap: use Open Group links

* exec, export, trap: split Linux and POSIX
This commit is contained in:
Alejandro Cervera
2023-12-29 08:07:58 -05:00
committed by GitHub
parent 887050a5eb
commit ced5cb22f6
11 changed files with 70 additions and 33 deletions
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pages/common/readonly.md
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@@ -2,7 +2,7 @@
> Create or modify read-only variables within a shell script, preventing the variable from being changed by subsequent commands.
> This is useful when you want to ensure that a variable retains a constant value throughout the execution of a script.
> More information: <https://manned.org/readonly.1p>.
> More information: <https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#readonly>.
- Create a read-only variable: