Important IRIX System Files

/etc/cshrc

Contains the standard (default) environment for /bin/csh users.

/etc/exports

Contains the list of NFS file systems exported at boot time to NFS clients if the optional NFS software is installed.

/etc/fstab

Specifies the filesystem(s) to be mounted.

/etc/gettydefs

Contains information used by getty to set the speed and terminal settings for a line.

/etc/group

Describes each group to the system.

/etc/hosts

Contains information about the known hosts on the network.

/etc/hosts.equiv

Contains a list of hosts trusted for non-superuser rlogin and rsh execution.

/etc/inittab

Contains the instructions to define the processes created or terminated by init for each initialization state.

/etc/issue

Displays a message to users before logging in to the system over the network or on serial lines.

/etc/lvtab

Contains information describing the logical volumes used by the workstation. This file is read by the logical volumes utilities.

/etc/motd

Contains a brief ''message of the day.''

/etc/passwd

Identifies each user to the system.

/etc/profile

Contains the standard (default) environment for /bin/sh users.

/etc/rc0

Contains a script that executes shell scripts in /etc/rc0.d to bring the system to run-level 0.

/etc/rc2

Contains a script that executes shell scripts in /etc/rc2.d and /etc/rc.d on transitions to system run-level 2.

/etc/shutdown

Contains a shell script that gracefully shuts down the system in preparation for system backup or for scheduled downtime.

/etc/sys_id

Contains the system name.

/etc/ttytype

Contains a list, ordered by terminal port, of what kind of terminal is likely to log in to that port.

/etc/TIMEZONE

Used to set the default time zone shell variable TZ.

/etc/utmp

Contains the information on the current runstate of the system.

/etc/wtmp

Contains a history of system logins.

/etc/xwtmp

Contains an extended history of system logins.

/var/adm/sulog

Contains a history of su command usage. This file should be checked periodically for excessive size and archived.

/var/adm/SYSLOG

Contains system and daemon error messages.

/var/yp/ypdomain

Contains the domain name if the workstation is using NIS.

/var/cron/log

Contains a history of all the actions taken by cron. This file should be checked periodically for excessive size and reduced if necessary.

/usr/lib/cron/cron.allow

Contains a list of users allowed to use crontab(1). This file cannot exist on the system at the same time as cron.deny.

/usr/lib/cron/cron.deny

Contains a list of users who are denied access to crontab(1). It is checked if /usr/lib/cron/cron.allow does not exist.