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Full Discussion: How do unix file lenghts work?
Top Forums UNIX for Dummies Questions & Answers How do unix file lenghts work? Post 302694101 by Don Cragun on Thursday 30th of August 2012 07:05:27 AM
Old 08-30-2012
On a UNIX system, the size of a file is the offset in the file of the last byte in the file. Text files on UNIX Systems can be any size from 0 bytes to several terabytes depending on available disk space, file system limitations, and system administrator imposed file size limits for each user on the system.

Note that if you're copying a file from an MVS system (with an EBCDIC code set) to a UNIX system with an ISO 8859-*, ASCII, or UTF-8 codeset, you may need to use:
Code:
dd if=mvs_filename of=unix_filename conv=ascii

after getting the MVS file moved onto your UNIX System.
This User Gave Thanks to Don Cragun For This Post:
Grueben
 

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LEARN ABOUT OPENSOLARIS

netid

netid(4)							   File Formats 							  netid(4)

NAME

       netid - netname database

SYNOPSIS

       /etc/netid

DESCRIPTION

       The  netid file is a local source of information on mappings between netnames (see secure_rpc(3NSL)) and user ids or hostnames in the local
       domain. The netid file can be used in conjunction with, or instead of, the  network source: NIS or  NIS+. The  publickey entry in the  nss-
       witch.conf (see	nsswitch.conf(4)) file determines which of these sources will be queried by the system to translate netnames to local user
       ids or hostnames.

       Each entry in the netid file is a single line of the form:

	 netname uid:gid, gid, gid...

       or

	 netname       0:hostname

       The first entry associates a local user id with a netname. The second entry associates a hostname with a netname.

       The  netid file field descriptions are as follows:

       netname	   The operating system independent network name for the user or host. netname has one of two formats.	The format used to specify
		   a host is of the form:

		   unix.hostname@domain

		   where  hostname is the name of the host and	domain is the network domain name.

		   The format used to specify a user id is of the form:

		   unix.uid@domain

		   where uid is the numerical id of the user and domain is the network domain name.

       uid	   The numerical id of the user (see   passwd(4)). When specifying a host name, uid is always zero.

       group	   The	numerical  id  of  the group the user belongs to (see  group(4)). Several groups, separated by commas, may be listed for a
		   single uid.

       hostname    The local hostname (see  hosts(4)).

       Blank lines are ignored.  Any part of a line to the right of a `#' symbol is treated as a comment.

EXAMPLES

       Example 1 A sample netid file.

       Here is a sample netid file:

	 unix.789@West.Sun.COM	  789:30,65
	 unix.123@Bldg_xy.Sun.COM 123:20,1521
	 unix.candlestick@campus1.bayarea.EDU	 0:candlestick

FILES

       /etc/group	 groups file

       /etc/hosts	 hosts database

       /etc/netid	 netname database

       /etc/passwd	 password file

       /etc/publickey	 public key database

SEE ALSO

       netname2user(3NSL), secure_rpc(3NSL), group(4), hosts(4), nsswitch.conf(4), passwd(4), publickey(4)

SunOS 5.11							    23 May 1994 							  netid(4)
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