Why a subshell is needed to execute some commands?
4746
How to solve "permission denied" when using sudo with redirection in Bash?
101357
bash -c variable resolution in subshell
78155
Is there a way to use wild cards, redirection or other shell syntax with systemd units?
154604
Why is there a /bin/echo and why would I want to use it?
139274
What's the difference between 'sudo [command]' and 'sudo sh [command]?
105788
Why is `[` a shell builtin and `[[` a shell keyword?
113160
Bash script execution with and without shebang in Linux and BSD
68792
What is the difference between using bash and sh to run a script?
56106
Why does the root directory '/' have a reference to its "parent"?
29768
Why are there infinitely many x11 subdirectories in /usr/bin/x11?
33687
Why is echo a shell built in command?
128874
Breaking down shell scripts; What happens under the hood?
57871
Why doesn't echo called as /bin/sh -c echo foo output anything?
92716
How to make a variable from a subshell available in the parent shell
141593
What are the differences between executing shell scripts using "source file.sh", "./file.sh", "sh file.sh", ". ./file.sh"?
125882
Could someone please explain this bash command?
8269
bash if not multiple conditions without subshell?