Lab $2\mathrm{.}1$

Modify your shell environment so that on every subshell that is started, a variable is set. The

name of the variable should be COLOR, and the value should be set to red. Verify that it is

working.

Use the appropriate tools to find the command that you can use to change a user password. Do

you need root permissions to use this command?

From your home directory, type the command ls $-$al wergihl $*$ and ensure that errors as well as

regular output are redirected to a file with the name $/$tmp$/$lsoutput$.$