| B
- b escape character
- Dialers file
,  - Systems file chat script
, 
- background file mounting option
, 
- backslash (\) in maps
, , , 
- backslash escape character
- Dialers file send strings
,  - Systems file chat script
, 
- backspace escape character
, , 
- backups
- mail servers and
, 
- bad argument specified with index option
, 
- bad key message
, 
- BAD LINE message
, 
- BAD LOGIN/MACHINE COMBINATION message
, 
- BAD LOGIN_UID message
, 
- BAD OPTION message
, 
- bad pooladm configuration
- recovery from
, 
- BAD SPEED message
, 
- BAD UID message
, 
- BadRcptThrottle option
- sendmail command
, 
- bg option
- mount command
, 
- binding to a resource pool
, 
- booting
- diskless client security
,  - mounting file systems
, 
- -bP option
- sendmail command
, 
- Break escape character
,  - Dialers file
,  - Systems file chat script
, , 
- broadcast (SLP)
, , , 
- browsability
- disabling
,  - overview
, 
- browsing
- with an NFS URL
, 
- buffer parameter
- /etc/default/nfslog.conf file
, 
- bye command (FTP)
, 
C
- c escape character
- Dialers file
,  - Systems file chat script
, 
- -c option
- nfsd daemon
, 
- C. UUCP work files
- cleanup
,  - description
, , 
- cache and NFS version 3
, 
- cache file system type
- autofs access using
, , 
- cachefs option
- autofs maps
, 
- call option (PPP)
- calling a dial-in server
, 
- callback
- enabling dialback through chat script
,  - Permissions file option
, , 
- CALLBACK option of Permissions file
, , 
- CALLBACK REQUIRED message
, 
- CALLER SCRIPT FAILED message
, 
- CAN'T ACCESS DEVICE message
, 
- CAN'T ALLOCATE message
, 
- CAN'T CHDIR message
, 
- CAN'T CHMOD message
, 
- CAN'T CLOSE message
, 
- CAN'T CREATE message
, 
- CAN'T FORK message
, 
- CAN'T LINK message
, 
- CAN'T LOCK message
, 
- can't mount message
, 
- CAN'T MOVE TO CORRUPTDIR message
, 
- CAN'T OPEN message
, 
- CAN'T READ message
, 
- CAN'T STAT message
, 
- CAN'T UNLINK message
, 
- CAN'T WRITE message
, 
- canceling
- remote logins
, 
- cannot receive reply message
, 
- cannot send packet message
, 
- cannot use index option without public option message
, 
- carriage-return escape characters
, , , 
- CD-ROM applications
- accessing with autofs
, 
- cfsadmin command
- accessing NFS file systems
, 
- Challenge-Handshake Authentication Protocol (CHAP)
- authentication process
, ,  - definition
,  - example configuration
,  - syntax of /etc/ppp/chap-secrets
,  - task maps for configuring
, , 
- changing
- /etc/shells file
,  - .forward file search path
, 
- changing resource controls temporarily
, 
- CHAP credentials database
- creating
- for a dial-in server
,  - for trusted callers
, 
- chat program in PPP
- See also chat script
- chat script
- creating an executable chat program
,  - designing the chat script
,  - examples (PPP)
- basic modem chat script
,  - for an ISDN TA
, ,  - script for calling an ISP
,  - UNIX-style login chat script
, , 
- examples for PPP
- UNIX-style login chat script
, 
- invoking, in PPP
,  - UUCP chat script field
, 
- Chat Script field
- /etc/uucp/Systems file
, 
- check_eoh rule set
- sendmail command
, 
- check_etrn rule set
- sendmail command
, 
- check_expn rule set
- sendmail command
, 
- check-hostname script
, , , 
- check-permissions script
, 
- check_vrfy rule set
- sendmail command
, 
- chkey command
- enabling secure NFS
, 
- Class field
- Devices file
, 
- clear_locks command
, 
- client-side failover
- enabling
,  - NFS locking and
,  - NFS support
,  - overview
,  - replicated file systems
,  - terminology
, 
- clientmqueue directory
, 
- ClientPortOption option
- sendmail command
, 
- ClientPortOptions option
- sendmail command
, 
- clients
- See mail clients, NFS clients, NTP client, and PPPoE client
- displaying information about
, , , , 
- tracing calls to servers
, , 
- CLOCAL flag
- turning on and off
, 
- closing remote system connections
, 
- collision rate (network)
, 
- command-line options
- sendmail command
, 
- commands
- execute (X.) UUCP files
, ,  - extended accounting
,  - hung programs
,  - NFS commands
,  - remote execution using UUCP
, , ,  - UUCP troubleshooting
, 
- COMMANDS option of Permissions file
, , ,  - VALIDATE option
, , 
- comments
- in direct maps
,  - in indirect maps
,  - in master map (auto_master)
, 
- compat_check FEATURE() declaration
, 
- compilation flags
- sendmail command
, 
- confFORWARD_PATH definition
, , 
- configuration examples for PPP
- CHAP authentication
,  - dial-up link
,  - leased-line link
,  - PAP authentication
,  - PPPoE tunnel
, 
- configuration file options
- sendmail command
, 
- configuration files
- sendmail command
,  - UUCP
, 
- configuration tasks for PPP
- authentication
,  - diagnosing configuration problems
,  - dial-up link
,  - leased lines
,  - PPPoE tunnel
, 
- configuring
- asppp links
- UUCP databases
, , 
- mail gateways
,  - UUCP
- adding logins
, ,  - database files
, ,  - shell scripts
, ,  - TCP/IP networks
, , 
- configuring resource controls
, 
- connect option (PPP)
- /etc/ppp/peers/peer-name file
,  - example
,  - running the pppoec utility
,  - to invoke a chat script
, 
- ConnectionRateThrottle option
- sendmail command
, 
- consolidating project-related files
, 
- ControlSocketName option
- sendmail command
, 
- CONVERSATION FAILED message
, 
- conversation key
, 
- copying files (remote)
- using ftp
,  - using rcp
, , 
- could not start daemon message
, 
- could not use public filehandle message
, 
- couldn't create mount point message
, 
- CPU map variable
, 
- CPU share configuration
, 
- creating
- /etc/shells file
,  - keyed map file
,  - postmaster alias
,  - postmaster mailbox
, 
- creating resource pools
, 
- credentials
- CHAP authentication
,  - description
,  - PAP authentication
,  - UNIX authentication
, 
- crontab file
- for UUCP
, 
- crtscts option (PPP)
, 
- CSU/DSU
- configuring
,  - definition
,  - fixing common problems
, 
- cu command
- checking modems or ACUs
,  - description
,  - multiple or different configuration files
, ,  - printing Systems lists
, 
- current user
, 
- CYCLE_FREQUENCY parameter
- /etc/default/nfslogd file
, 
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