Where does $HOME variable comes from and why I can't change it?
64982
Setting $HOME in PowerShell
131725
How do I reset the $PATH variable on Mac OS X?
120025
Why put things other than /home to a separate partition?
51442
Why does bash variable expansion retain quotes?
8242
Does ~ always equal $HOME
19369
How can I use $variable in a shell brace expansion of a sequence?
132769
Why isn't the $Site global variable returning anything?
125439
Why does the $PATH of an ssh remote command differ from that of an interactive shell?
56106
Why does the root directory '/' have a reference to its "parent"?
154604
Why is there a /bin/echo and why would I want to use it?
137445
Why is $ the default symbol for a user shell and # the default symbol for a root shell?
92027
What does "$x->Put" do in Perl?
152015
Can a script modify an environment variable of its calling shell?
92716
How to make a variable from a subshell available in the parent shell
50136
Using "${a:-b}" for variable assignment in scripts
6241
How can I make environment variables "exported" in a shell script stick around?
23092
What does "$$" mean in the shell?