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S/Key password system
Samba
Sanchez, Wilfredo
saving
        and quitting in vi editor
        changes in emacs
        file in vi
        source code installation compilation logs
saving output to file
scheduling jobs
        about /etc/crontab files
        cron for
        launchd daemon for
        restricting who uses cron
scp (secure copy) command
        about
        copying directory with
        options
        sending and receiving remote files with
        using
scripts. [See also shell scripts]
        ./configure 2nd
        about
        for viewing open ports
        Perl script using MySQL
        scripting in Unix
        shebang line of
        shell configuration files as
        using Date::Calc module
        viewing system-startup
searching [See also grep command; regular expressions; Spotlight]
        absolute paths
        by file name and type
        creating atom matching any character not in list
        find command for
        forward and backward in vi text string
        Google for Unix help
        grep for
        lines that don't match
        lines where atom is repeated 2nd
        lines with strings
        lines with variation in characters
        locate command for
        man page
        modified files
        output of another command
        packages by keyword 2nd
        queries using mdfind
        setuid root programs
        using patterns in search
security
        about
        attacks on services
        checklist for system
        choosing safe passwords 2nd
        concerns about FTP
        denying FTP server access
        further resources
        maintaining with Software Update
        monitoring files for changes
        news and announcements about
        physical
        preventing packet-sniffing attacks 2nd 3rd
        private IP addresses
        reducing risks of FTP servers
        S/Key and Kerberos authentication
        searching for setuid root programs
        tools for monitoring
        Unix influence on file
        using Webmin with SSL
sed utility 2nd
SELECT statements
selecting data from tables
Sendmail
servers [See also Apache Web server; MySQL database server]
        Apache Web
        AppleShare
        changing /etc/hostconfig system-configuration file
        checking for active Internet hosts
        choosing CPAN
        configuring e-mail
        controlling SSH
        definition of
        DNS
        FTP
        function of xinetd for
        MySQL
        remote access to IMAP and POP
        running from Mac OS X
        setting machine's hostname
        sharing disks with other Unix machines
services
        attacks on
        defined
        port numbers assigned to
        viewing active
setenv command
setuid and setgid properties for ownership
setuid root programs
sftp client
sftp utility
sh (Bourne shell)
        about
        automating tasks with scripts
        changing environment variables in
Sharing pane (System Preferences) 2nd
sharp (#) character
shebang (#!) character
shell aliases
        bash shell functions
        defined
        permanent
        temporary
shell prompts
        changing when start new shell as root
        customizing
        defined 2nd
        illustrated
shell scripts [See also control structures]
        ./configure 2nd
        about
        arithmetic operators and expressions in
        case conditionals
        command-line arguments in
        creating 2nd
        environment variables in
        functions within
        getting user input with read command
        loops
        passing arguments to
        Perl
        running without using path
        shebang line of
        showing system status with
        test expressions in
        Trash
        uses for
        using commands within commands
        variables in
        viewing system-startup script
shells
        about most common
        changing login
        changing umask
        configuring
        customizing prompt for
        default OS X
        defined
        determining shell in use
        finding configuration files for
        job number and process ID displayed in
        starting as root
        Terminal vs.
        types of 2nd
shift command
short names
        defined 2nd
        logging in with
Show Info window (Aqua)
shutting down
        AppleShare servers
        SSH servers
Snort
sockets
soft links. [See symbolic links]
Software Update
        configuring via GUI
        running from command line 2nd
        Vulnerability Note (May 2005)
Software Update pane (System Preferences)
Solaris 2nd
sort command
sorting
        alphabetical
        directories
        numerical
        text
source code
        basic steps for installation
        installing software from
        manually installing
        open-source software 2nd 3rd
        saving installation compilation logs
spaces
        delimiting fields with
        in file names
        protecting in command line
        searching for string in multiple files including
spam
special characters
        listing of
        using in command lines
Spotlight
        grep searches vs.
        mdfind command and
        searching data viewed with textutil
SQL (Structured Query Language). [See also MySQL database server]
        about
        further resources on
SQL database engines
SQL statements
        about 2nd
        DELETE
        INSERT
        SELECT
        UPDATE
square bracket ([ ])
        function of
        text expressions for conditional structures
SSH (Secure Shell)
        defined
        enabling in Mac OS X
        encrypted transactions with scp
        logging into another Unix machine
        running command on remote computer
        SSH protocol and ssh command
        SSH servers
        using
        verifying host authenticity with
ssh utility
        about
        running command line on remote machine with
        SSH protocol and
SSLs (Secure Socket Layers)
Stallman, Richard M. 2nd
starting
        CPAN
        emacs
        Lynx Web browser
        MySQL
        nano editor
        Network Utility
        shell as root
        system with startup script
        vi editor
StartupItems
        about
        creating
        script for Apache Web server
statements. [See SQL statements]
stationery files
stderr
        about
        redirecting
stdin
        about
        redirecting
stdout
        about
        extracting data from fields 2nd
        piping command output to another command
        piping command output to e-mail 2nd
        redirecting 2nd
        searching output of another command
sticky bits
stopping commands
strings
        finding specific lines with
        searching for in files
        searching for in multiple files
        searching forward and backward in vi text
Structured Query Language (SQL)
su command 2nd
subdirectories
sudo command
        command names not case sensitive with
        command options for
        Mac OS X use of
        monitoring use of
        root account vs. 2nd
        running root from command line with
suspending jobs
        about
        continuing suspended job in background
        suspending top command
Swatch
switches. [See options]
symbolic links
        about
        creating
symbolic modes
        about
        adding or removing file permissions
        adding or removing group permissions
        changing permissions with
        listing of changes for
symlinks . [See symbolic links]
synchronizing directories
syntax
        adding options to commands
        command line
        displaying man page
system administration [See also managing user accounts and groups]
        about
        adding and deleting users with System Preferences
        admin users
        boot sequence
        changing user's login shell
        creating LaunchDaemon at boot time
        emptying Trash for users
        further resources
        keeping backups
        managing groups
        managing passwords
        monitoring disk space
        root accounts
        scheduling commands
        StartupItems
        switching to another user account
        system log files
        tracking system users
        troubleshooting tips
        using system in single-user mode
        using Webmin
        viewing history of logins
system load
system logs
        checking additions to
        identifying IIS attacks
        interpreting error messages
        location of
        monitoring use of sudo
System Preferences
        activating FTP Server from Sharing pane
        allowing access to specific ports
        blocking ports from Sharing pane
        configuring from command line
        controlling AppleShare servers from
        illustrated
        opening ports for Passive and Active FTP protocol
        reading for applications
        Software Update pane
        TCP/IP tab of Network pane