Added userdel to linux
Added deluser page, related to userdel at #172
Added nohup page
Added usermod page
Adding a line for sed for making multiple replacements in one command.
tcpdump command to output to a dated filename all traffic not on port 22
adds two more use cases for git-push
Added mysqldump.md
Added example which displays the size in a human readable format.
add C++ client
use official repositories
Merge pull request #192 from Like-all/master

Pages: chsh
Add ag (the_silver_searcher) page
Merge pull request #194 from tsigo/rs-ag

Add ag (the_silver_searcher) page
Missing apostrophe

Missing apostrophe in monitor "node" processes
Merge pull request #195 from sanusart/patch-1

Missing apostrophe
Pages: ab
Fix ab page to conform common standards
Merge pull request #197 from igorshubovych/master

Pages: ab
Pages: psql