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