Windows common directory and app path

System configure tool and file

  • system property and variable settings (virtual ram, paging file)
  • user system property
    rundll32 sysdm.cpl,EditEnvironmentVariables
  • hosts file
  • disk manager
  • start up list
    %userprofile%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
  • Boot and start-up list
  • control panels (path)
    # uninstall program
    Control Panel\All Control Panel Items\Programs and Features
    # pen and touch for windows
    Control Panel\All Control Panel Items\Pen and Touch
    # tablet settings for windows
    Control Panel\All Control Panel Items\Tablet PC Settings
    # network location
    Control Panel\Network and Internet\Network Connections
    # network connection
    Control Panel\All Control Panel Items\Network and Sharing Center

System app

Mac OS X common directory and app path

System configure tool and file

  • system property and variable settings
  • hosts file
  • disk manager
    open -a /Applications/Utilities/Disk\
  • activity monitor
    open -a Activity\ Monitor
  • script editor
    open -a script\ editor
  • caculator
    open -a calculator
  • control panels
    open -a system\ preferences

Startup directory

  • /Library/StartupItems
    # structure demo
    # MyStartupItem/
    #    MyStartupItem
    #    StartupParameters.plist
    # ref:
    # example
    sudo vi myStartRun/myStartRun
    sudo vi myStartRun/StartupParameters.plist
    # optional: sudo vi myStartRun/Resources/English.lproj 
    sudo chown -R root myStartRun/
    sudo chgrp -R wheel myStartRun/
    sudo chmod 755 myStartRun/myStartRun
    # the plist template
    <?xml version=”1.0? encoding=”UTF-8??>
    <!DOCTYPE plist SYSTEM “file://localhost/System/Library/DTDs/PropertyList.dtd”>
    <plist version=”0.9?>


Startup script (not working after Tiger OSX)

  • /var/root/Library/Preferences/
    sudo defaults write LoginHook /path/to/script
    sudo defaults write LogoutHook /path/to/script 


Linux common directory and app path

  • start-up directory with different admin level
    /etc/rc0.d /etc/rc1.d /etc/rc2.d /etc/rc3.d /etc/rc4.d /etc/rc5.d /etc/rc6.d
  • start-up directory
    • initialize rc
  • start-up script: put your cmd here to run at start-up


Run Level Generic Fedora Core
1Single-user modeSingle-user mode
2Basic multi-user mode (without networking)User definable (Unused)
3Full (text based) multi-user mode
4Not usedNot used
5Full (GUI based) multi-user modeFull multi-user mode (with an X-based login screen) - default runlevel
  • run that level
    init 6
  • runlevel config
  • task manager
    ps aux
    ps -A
    # ref:

Ref Table

Variable Windows XP Windows Vista/7 Mac OS X Linux
%ALLUSERSPROFILE% (%PROGRAMDATA%) C:\Documents and Settings\All Users C:\ProgramData ? ?
%APPDATA% C:\Documents and Settings\{username}\Application Data C:\Users\{username}\AppData\Roaming ? ?
%COMPUTERNAME% {computername} {computername} ? ?
%COMMONPROGRAMFILES% C:\Program Files\Common Files C:\Program Files\Common Files ? ?
%COMMONPROGRAMFILES(x86)% C:\Program Files (x86)\Common Files C:\Program Files (x86)\Common Files ? ?
%COMSPEC% C:\Windows\System32\cmd.exe C:\Windows\System32\cmd.exe ? ?
%HOMEPATH% \Documents and Settings\{username} \Users\{username} ? ?
%LOCALAPPDATA% [NOT AVAILABLE] C:\Users\{username}\AppData\Local ? ?
%LOGONSERVER% \\{domain_logon_server} \\{domain_logon_server} ? ?
%PATH% C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;{plus program paths} C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;{plus program paths} ? ?
%PATHEXT% .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.WSF;.WSH .com;.exe;.bat;.cmd;.vbs;.vbe;.js;.jse;.wsf;.wsh;.msc ? ?
%PROGRAMFILES% C:\Program Files C:\Program Files ? ?
%PROGRAMFILES(X86)% C:\Program Files (x86) (only in 64-bit version) C:\Program Files (x86) (only in 64-bit version) ? ?
%PROMPT% Code for current command prompt format. Code is usually $P$G Code for current command prompt format. Code is usually $P$G ? ?
%SystemDrive% C: C: ? ?
%SystemRoot% The Windows directory, usually C:\Windows, formerly C:\WINNT C:\Windows ? ?
%TEMP% and%TMP% C:\Documents and Settings\{username}\Local Settings\Temp C:\Users\{username}\AppData\Local\Temp ? ?
%USERDOMAIN% {userdomain} {userdomain} ? ?
%USERNAME% {username} {username} ? ?
%USERPROFILE% C:\Documents and Settings\{username} C:\Users\{username} ? ?
%WINDIR% C:\Windows C:\Windows ? ?
%PUBLIC% C:\Users\Public ? ?
%PROGRAMDATA% Only available in Windows Vista and newer versions C:\ProgramData ? ?
%PSModulePath% %SystemRoot%\system32\WindowsPowerShell\v1.0\Modules\ ? ?
hosts %systemroot%\system32\drivers\etc\hosts %systemroot%\system32\drivers\etc\hosts /etc/hosts /etc/hosts
  • techwiki/syspath.txt
  • Last modified: 2021/10/06 07:48
  • by ying