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-
- nwho(C) 12 July 1994 nwho(C)
-
- _N_a_m_e
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- nwho - list who is on the system, logged in from where
-
- _S_y_n_t_a_x
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- nnwwhhoo [ --nn ] [ aamm ii ]
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- _D_e_s_c_r_i_p_t_i_o_n
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- The nnwwhhoo command lists the login name, tty, and login time of each
- currently logged-in user. For users logged in via TCP/IP telnet or
- rlogin, it also displays the name of the remote machine from which they
- are logged in.
-
- Local login information is retrieved from the user accounting data file,
- /etc/utmp. Remote login information is retrieved from the TCP/IP
- structures of the running kernel.
-
-
- The format of output entries is:
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- _nn_aa_mm_ee _ll_ii_nn_ee _tt_ii_mm_ee [(nneettwwoorrkk oorriiggiinn)]
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- Options are:
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- --nn Prevents nnwwhhoo from attempting to convert IP network addresses to
- domain names. This is useful if there are problems with host name
- resolution.
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- aamm ii nnwwhhoo outputs information only about the invoking terminal.
-
- _F_i_l_e_s
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- /_e_t_c/_u_t_m_p user accounting information
- /_u_n_i_x kernel symbol table
- /_d_e_v/_k_m_e_m kernel data
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- _S_e_e _a_l_s_o
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- wwhhoo(C), uuttmmpp(F)
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- _B_u_g_s
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- nnwwhhoo cannot identify remote logins via non-TCP/IP mechanisms such as
- IPX/SPX nlogin, LAN Manager vtp, PC-Interface, or OSI Virtual Terminal.
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- nnwwhhoo tries, with limited success, to identify logins associated with a
- local X server.
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- IP address to domain name translations should be cached for better
- performance.
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- None of the standard who(C) options are supported except "am i".
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-