Directories of Interest

Log Locations:

##RHEL / Red Hat / CentOS / Fedora Linux Apache
/var/log/httpd/access_log

##Debian / Ubuntu Linux Apache
/var/log/apache2/access.log

##FreeBSD Apache
/var/log/httpd-access.log

##SSH Logs:
/var/log/secure

##Bash History
/Users/USERNAME/.bash_history

##Crontabs by User
/var/spool/cron/crontabs/USERNAME