Add a gdb cheat sheet
Enhancements to 'lsof' cheatsheet.
add crontab examples
crontab: fix typo in comment
Add cheatsheet for strace
Merge pull request #129 from ImmortalPC/master

Adding python (simple web server). Change netstat (deprecated).
Merge pull request #131 from lucaswerkmeister/patch-1

Add a gdb cheat sheet
Merge pull request #134 from amitsaha/strace

Add cheatsheet for strace
Merge pull request #132 from amitsaha/lsof_enhancements

Enhancements to 'lsof' cheatsheet.
Merge pull request #133 from Mic92/patch-4

add crontab examples