[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] n command (sed)  N command (sed)  Name keyword (RCS)  name servers  name service  named command  named daemon  2nd  namei command  nameif command  netfilter  netstat command  2nd  network administration      commands         arp          NFS and NIS administration          TCP/IP troubleshooting  Network File System  [See NFS] Network Information System  [See NIS] networking commands  networks      file transfers between  [See ftp]     securing remote connections cryptographically (ssh)      status messaging (rwhod)  new command (ex)  newaliases command  newer command (ftp)  newgrp command      tcsh  newusers command  next command     ex      gawk  nextfile command (gawk)  NFS (Network File System)      administration commands      daemons  NFS/NIS commands     domainname      makedbm      rpc.yppasswdd command      showmount      ypbind      ypcat      ypchfn      ypinit      ypmatch      yppasswd      yppoll      yppush      ypserv      ypset      yptest      ypwhich      ypxfr  nfsd command  nfsd daemons  nfsstat command  nice command      tcsh  NIS (Network Information System)      administration      administration commands      clients, setting up      map manipulation utilities      maps      servers, setting up      user accounts  nlist command (ftp)  nm command  nmap command (ftp)  nobeep variable (tcsh)  noclobber variable (tcsh)  noding variable (tcsh)  noglob variable (tcsh)  nohlsearch command (ex)  nohup command  nohup command (tcsh)  nokanji variable (tcsh)  nonomatch variable (tcsh)  NOREBIND environment variable (tcsh)  nostat variable (tcsh)  notify command (tcsh)  notify job control command (tcsh)  notify variable (tcsh)  nroff command, managing output with col, colcrt  nslookup command  [See also dig command]2nd  nsupdate command  ntrans command (ftp)  null command (:)  number command (ex)  numbers, base conversions using bc  nvi text editor