fields.txt

/etc/passwd,:,,7, Username, Password, User ID, Group ID, User ID info, Home Directory, Command/Shell
/etc/group,:,,4, Group name, Password, Group ID, Group list
/etc/shadow,:,,6, Username, Password, Last password change, Minimum, Maximum, Warn, Inactive, Expire
/etc/fstab,[[:space:]]+,,6, File system, Mount point, Type, Options, Dump, Pass
/etc/hosts,[[:space:]]+,,3, IP address, Host name, Aliases
/var/log/apache2/access.log,([^[:space:]]+|"[^"]+"|\\[[^]]+\\]),FPAT,9, Client IP, Identity , User ID, Timestamp, Method & Resource, Status code, Bytes returned, Referrer, User-agent
/var/log/apache2/error.log,([^[:space:]]+|"[^"]+"|\\[[^]]+\\]),FPAT,5, Timestamp, Error code, Process/Thread IDs, Message code, Message
/etc/resolv.conf,[[:space:]]+,,2, Domain, Nameserver
/etc/nsswitch.conf,[[:space:]]+,,3, Database name, Service, Optional action 
/etc/crontab,[[:space:]]+,,7, Minute, Hour, Day, Month, Day-of-Week, User, /path/ or command
/etc/hostname
/etc/network/interfaces
/etc/sysctl.conf
/etc/security/limits.conf
/etc/sudoers
/etc/ssh/sshd_config
/etc/ssh/ssh_config
/etc/systemd/system.conf
/etc/nginx/nginx.conf
/etc/httpd/conf/httpd.conf
/etc/php.ini
/etc/mysql/my.cnf
/etc/postgresql/13/main/postgresql.conf
/var/log/syslog
/var/log/messages
/var/log/auth.log
/var/log/secure
/var/log/kern.log
/var/log/boot.log
/var/log/dmesg
/var/log/httpd/access_log
/var/log/httpd/error_log
/var/log/nginx/access.log
/var/log/nginx/error.log
/var/log/mysql/error.log
/var/log/postgresql/postgresql-13-main.log
/var/log/faillog
/var/log/lastlog
/var/log/wtmp
/var/log/btmp
/proc/cpuinfo
/proc/meminfo
/proc/uptime
/proc/loadavg
/proc/version
/proc/stat
/proc/net/dev
/proc/net/tcp
/proc/net/udp