08-12-2009
Hint 1: Generally, all files that aren't intended to be changed by a normal user can be considered worth watching. Think configuration files and bin directories.
Hint 2: A good indication of change can be found by using cryptographic hashing functions
Hint 3: A Tripwire can tell you when something is happening.
Yes, I'm being sketchy on purpose
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zsh 4.3.4% cat file
ACFCFACCACARCSHFARCVJVASTVAJFTVAJVGHBAJ
zsh 4.3.4% cat file1
A
C
F
R
zsh 4.3.4% <file1 while read;do printf "%s=%d\n" "$REPLY" "${#$(<file)//}";done
A=9
C=7
F=4
R=2
That was the previous post.
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I did not understand what is ${0##/}
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3. Shell Programming and Scripting
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----------
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----
could u please explain the below clearly
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4. AIX
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if
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if
then
echo "Syntax: $0 <sid> <COLD/HOT> <DEST>"
exit
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if --------------what does this mean???
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why the case 2 will happen ? , ' should stop the history substitution ,shouldn't it?
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123
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> 456
> 1
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LEARN ABOUT FREEBSD
networks
NETWORKS(5) BSD File Formats Manual NETWORKS(5)
NAME
networks -- network name data base
DESCRIPTION
The networks file contains information regarding the known networks which comprise the DARPA Internet. For each network a single line should
be present with the following information:
official network name
network number
aliases
Items are separated by any number of blanks and/or tab characters. A ``#'' indicates the beginning of a comment; characters up to the end of
the line are not interpreted by routines which search the file. This file is normally created from the official network data base maintained
at the Network Information Control Center (NIC), though local changes may be required to bring it up to date regarding unofficial aliases
and/or unknown networks.
Network numbers may be specified in the conventional ``.'' (dot) notation using the inet_network(3) routine from the Internet address manipu-
lation library, inet(3). Network names may contain any printable character other than a field delimiter, newline, or comment character.
FILES
/etc/networks The networks file resides in /etc.
SEE ALSO
getnetent(3)
HISTORY
The networks file format appeared in 4.2BSD.
BUGS
A name server should be used instead of a static file.
BSD
June 5, 1993 BSD