added an ls and lsof section.
Added ls and lsof to shell_tools, builds this time.
Removes an incomplete line
Changes the wording to make it easier to read
Adds a short intro to sort
Brings the sort section into line with the style guide.
Merge pull request #156 from mgriffin/plain_language

Removes an extra line and makes the next sentence easier to read
Merge pull request #157 from mgriffin/info_on_sort

Adds a short introduction to sort
Updated to follow style guidelines.
Shell tools 101, sort command: Adds a sort by column example using the -k flag
Merge pull request #154 from GlenKaukola/master

Added ls and lsof to shell_tools.
Added a mount section to shell_tools
Adhere change to the style guide with regards to line endings on each sentence
updates style for netbooting
updates style for unix signals
Merge pull request #161 from gpapilion/netbooting_style_update

updates style for netbooting
Merge pull request #160 from gpapilion/unix_signals_style_update

updates style for unix signals
updates style to one sentence per line for hardware
fixes missed joing on last line
fixes the missed sentence