* Silently ignore errors about file (i.e., packages) not found
* Improved usage message (a single echo command)
* Fixed glob in the grep command
* Improved usage message (a single echo command)
* If given a service but not an action then defaults to status
* Add a usage message
* Add error checking
* Add a usage message
* Change usage message to stderr
mt_boot/umt_boot return mount/umount exit code