Thanks for your explanation.
El Dom 09 Dic 2001 08:39, escribiste:
environment variables store certain settings/values that are needed by
programs on your machine. it allows you to specify the settings/values in
a central location. environment variables are usually stored in
/etc/profile (for access by all users) or /home/user/.bashrc (for access by
only user).
for example, a lot of programs that use java need to know where your java
virtual machine (jvm) is located.
you can store the location of your jvm in the environment variable in one
of the above files as:
JAVA_VM=/usr/java/jvm/sun/131_01/bin
export JAVA_VM
then, a program, which needs to know where you jvm is located, you can
simply specify (in one that application's configuration files) $JAVA_VM.
then you don't have to write out the entire path.
also, when you change the path for your JAVA_VM, you won't have to update
each configuration file. just the JAVA_VM environment variable.
in short, environment variables can be thought of as a type of alias...
At 17:36 01/12/09 -0300, you wrote:
These days i've read about the environment variables in this list but i
don't know what they are
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