| J
- Job-size field of Grades file
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K
- K escape character
- Dialers file
,  - Systems file chat script
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- -k option
- umountall command
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- KERB authentication
- NFS and
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- kernel
- checking response on server
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- /kernel/fs file
- checking
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- keyboard interruption of mounting
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- keyed map file, creating
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- keylogin command
- enabling secure NFS
,  - remote login security issues
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- keylogout command
- secure NFS and
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- keys file
- NTP
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- keyserv daemon
- enabling secure NFS
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- keywords
- Devices file Type field
, ,  - Grades file
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L
- -l option
- cu command
,  - nfsd daemon
,  - umountall command
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- -L tag option
- sendmail command
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- large files
- disabling creation of
,  - NFS support
,  - overview
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- largefiles option
,  - error message
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- LCK UUCP lock files
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- LDAP
- sendmail command and
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- ldap_routing FEATURE() declaration
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- LDAPDefaultSpec option
- sendmail command
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- leading space in map entry message
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- leased-line link
- authentication for the link
,  - communications process
,  - configuring
- endpoint on the link
,  - synchronous interface
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- CSU/DSU
,  - definition
,  - demand script
,  - diagnosing common problems
, , , , ,  - example configuration
,  - hardware
,  - media
,  - parts of the link
,  - planning
, , , , ,  - task map for configuring
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- legacy services (SLP)
- advertising
, , ,  - definition
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- libexacct
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- libslp.so library
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- Limits file
- description
, ,  - format
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- Line2 field of Devices file
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- Line field of Devices file
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- link types in PPP
- comparison of dialup and leased lines
,  - dialup
,  - leased line
,  - parts of a link
,  - physical link media
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- linking remote logins
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- list of tasks
- NCA
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- listing
- clients with remotely mounted file systems
,  - mounted file systems
,  - remotely mounted file systems
,  - shared file systems
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- local area network (LAN)
- UUCP configuration
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- local cache and NFS version 3
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- local delivery agent, mail services
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- LOCAL_DOMAIN() m4 configuration macro
, 
- local file systems
- default file-system type
,  - unmounting groups
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- local files
- updating autofs maps
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- local-host-names file
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- local_lmtp FEATURE() declaration
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- local mail addresses
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- local mail alias file, setting up
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- local_no_masquerade FEATURE() declaration
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- local option (PPP)
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- lock (LCK) UUCP files
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- lockd daemon
- description
,  - options
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- LOCKD_GRACE_PERIOD parameter
- lockd daemon
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- LOCKD_RETRANSMIT_TIMEOUT parameter
- lockd daemon
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- LOCKD_SERVERS parameter
- lockd daemon
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- locking
- NFS version 3 improvements
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- locks
- removing
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- log file
- for NCA
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- log levels
- sendmail.cf file
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- log option
- in dfstab file
,  - share command
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- log parameter
- /etc/default/nfslog.conf file
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- logformat parameter
- /etc/default/nfslog.conf file
, 
- logging
- displaying UUCP log files
,  - UUCP log file cleanup
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- logging in
- remote logins
, ,  - authentication (rlogin)
, ,  - direct or indirect (rlogin)
, ,  - finding who is logged in
, ,  - ftp command
,  - interrupting
,  - linking logins
,  - opening ftp connection
, ,  - using rlogin
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- logging out (remote systems)
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- login command
- secure NFS and
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- LOGIN FAILED message
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- login option (PPP)
- in /etc/ppp/options for a dial-in server
,  - in /etc/ppp/pap-secrets
, , 
- logins (UUCP)
- adding
, ,  - privileged
, , 
- LOGNAME Permissions file
- combining with MACHINE
,  - description
,  - login IDs for remote computers
,  - SENDFILES option
,  - VALIDATE option
, , 
- lookupdotdomain FEATURE() declaration
, 
- loops
- aliases
, 
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