N

nail:- send and receive Internet mail

namei:- uses its arguments as pathnames to any type of Unix file (symlinks, files, directories, and so forth).

nameif:- name network interfaces based on MAC addresses, This program is obsolete. For replacement check ip link.

nano:- is  a  small, free and friendly editor which aims to replace Pico, the default editor included in the non-free Pine package.

ndptool:- is a tool which provides wrapper over Neighbor Discovery Protocol messages.

needs-restarting:- is a program that reports a list of process ids that started running before they or some component that they use were updated.

neqn:- format equations for ascii output

net:- Tool for administration of Samba and remote CIFS servers.

netreport:-  request notification of network interface changes

netstat:- Print network connections, routing tables, interface statistics, masquerade connections, and multicast memberships (Ex:- netstat)

nettle-hash:-

nettle-lfib-stream:-

newaliases:- Postfix to Sendmail compatibility interface

newaliases.postfix:- Postfix to Sendmail compatibility interface

newgrp:- command is used to change the current group ID during a login session.

new-kernel-pkg:- is a tool used in packaging to automate the installation of a new kernel, including the creation of an initial ram filesystem image, updating of bootloader configuration, and other associated tasks.

newusers:- update and create new users in batch

nfs4_editfacl:- nfs4_setfacl, nfs4_editfacl - manipulate NFSv4 file/directory access control lists

nfs4_getfacl:- nfs4_setfacl, nfs4_editfacl - manipulate NFSv4 file/directory access control lists

nfs4_setfacl:- nfs4_setfacl, nfs4_editfacl - manipulate NFSv4 file/directory access control lists

nfsdcltrack:- nfsdcltack is the NFSv4 client tracking callout program. It is not necessary to install this daemon on machines that are not acting as NFSv4 servers.

nfsidmap:- The file /usr/sbin/nfsidmap is used by the NFS idmapper to translate user and group ids into names, and to translate user and group names into ids.

nfsiostat:- Report input/output statistics for network filesystems (NFS).

nfsometer:- NFS performance measurement tool

nfsstat:- list NFS statistics (Ex:- nfsstat)

nfstest_cache:- NFS client side caching tests

nfstest_delegation:- Delegation tests

nfstest_dio:- Direct I/O tests

nfstest_pnfs:- Basic pNFS functional tests

nfstest_posix:- Verify POSIX file system level access over the specified path using positive and negative testing.

ngettext:- translate message and choose plural form

nice:- run a program with modified scheduling priority

nisdomainname:-   hostname - show or set the system's host name

                               domainname - show or set the system's NIS/YP domain name

                               ypdomainname - show or set the system's NIS/YP domain name

                               nisdomainname - show or set the system's NIS/YP domain name

                               dnsdomainname - show the system's DNS domain name

nl:- number lines of files.

nl-class-add:-

nl-class-delete:-

nl-classid-lookup:- Lookup classid definitions

nl-class-list:-

nl-cls-add:-

nl-cls-delete:-

nl-cls-list:-

nl-link-list:-

nl-pktloc-lookup:- searches the packet location database for a matching entry. It is used to resolve packet location aliases to their definition, i.e. alignment, layer, offset, and mask.

nl-qdisc-add:- The nl-qdisc tools allow to manage and configure queueing disciplines (qdiscs) in the kernel.

nl-qdisc-delete:- The nl-qdisc tools allow to manage and configure queueing disciplines (qdiscs) in the kernel.

nl-qdisc-list:- The nl-qdisc tools allow to manage and configure queueing disciplines (qdiscs) in the kernel.

nm:- list symbols from object files

nmcli:- command‐line tool for controlling NetworkManager

nm-online:- ask NetworkManager whether the network is connected

nmtui:- Text User Interface for controlling NetworkManager

nmtui-connect:- Text User Interface for controlling NetworkManager

nmtui-edit:- is a curses‐based TUI application for interacting with NetworkManager.

nmtui-hostname:- is a curses‐based TUI application for interacting with NetworkManager.

nohup:- run a command immune to hangups, with output to a non-tty

nologin:- politely refuse a login

nosetests:- nose  collects  tests automatically from python source files, directories and packages found in its working directory (which defaults to the current working directory).

nosetests-2.7:-

nproc:- print the number of processing units available (Ex:- nproc)

nroff:- emulate nroff command with groff

nscd:- name service cache daemon

nsenter:- run program with namespaces of other processes

nslcd:- local LDAP name service daemon

nslookup:- query Internet name servers interactively

nstat:- nstat, rtacct - network statistics tools. (Ex:- nstat)

nsupdate:- is used to submit Dynamic DNS Update requests as defined in RFC 2136 to a name server.

ntpdate:- sets the local date and time by polling the Network Time Protocol (NTP) server(s) given as the server arguments to determine the  correct  time.

ntsysv:- is  a simple interface for configuring runlevel services which are also configurable through chkconfig.

numfmt:- Convert numbers from/to human-readable strings