System Management Concepts: Operating System and Devices

<BODY BGCOLOR="FCFBF0"> <CENTER> <FONT COLOR="#A62A2A" SIZE="+2"> </FONT> </CENTER> <HR> <h1><a href="edition.htm">First Edition (September 1999)</a></h1> <h1><a href="trademarks.htm">Trademarks and Acknowledgements</a></h1> <h1><a href="about.htm">About This Book </a></h1> <h2><a href="about.htm">Who Should Use This Book</a></h2> <H1><A HREF="sys_mgmt.htm#CE1333F743vick">Chapter 1. AIX System Management</A></H1> <H2><A HREF="sys_mgmt.htm#CE13340208vick">The System Administrator's Objectives</A></H2> <H1><A HREF="start_stop.htm#A71BB41894mike">Chapter 2. Starting and Stopping the System</A></H1> <H2><A HREF="starting.htm#BAF45E5879mart"></A>Starting the System</A></H2> <H2><A HREF="under_boot.htm#A42F23e6"></A>Understanding the Boot Process</A></H2> <H2><A HREF="under_sys.htm#MuA6210chri"></A>Understanding System Boot Processing</A></H2> <H2><A HREF="under_svc.htm#VTh2140sami"></A>Understanding the Service Boot Process</A></H2> <H2><A HREF="under_ram.htm#iYh2160sami"></A>Understanding the RAM File System</A></H2> <H2><A HREF="under_shutdown.htm#A9C90AD6758kirk"></A>Understanding the Shutdown Process</A></H2> <H1><A HREF="security.htm#BAA477C331mart">Chapter 3. Security</A></H1> <H2><A HREF="security_admin.htm#A67F02a"></A>Security Administration</A></H2> <H2><A HREF="system_security.htm#LqA6i31drodn">System Security Guidelines</A></H2> <H2><A HREF="tcb.htm#A68F0a3">Trusted Computing Base Overview</A></H2> <H2><A HREF="audit.htm#A68F013c"></A>Auditing Overview</A></H2> <H1><A HREF="admin_roles.htm#rrq4p2ccvick"></A>Chapter 4. Administrative Roles</A></H1> <H2><A HREF="admin_roles.htm#UxAqo1d7vick">Roles Overview</A></H2> <H2><A HREF="authoriz.htm#A6uq4p37cvick">Understanding Authorizations</A></H2> <H1><A HREF="users_groups.htm#BDC0B99178mart">Chapter 5. Users and Groups </A></H1> <H2><A HREF="quota_overview.htm#A99C1513"></A>Disk Quota System Overview</A></H2> <H1><A HREF="logical_vol.htm#logvol"></A>Chapter 6. Logical Volumes</A></H1> <H2><A HREF="lvm_overview.htm#A272913e"></A>Logical Volume Storage Overview</A></H2> <H2><A HREF="vol_strat.htm#A1A7100615benw">Developing a Volume Group Strategy</A></H2> <H2><A HREF="lvm_strat.htm#A9D74A1A311benw">Developing a Logical Volume Strategy</A></H2> <H2><A HREF="vol_group_pol.htm#A17BBFF4611198"></A>Implementing Volume Group Policies</A></H2> <H2><A HREF="lvm_warn.htm#F1EDFD4371vick"></A>Logical Volume Manager Limitation Warnings</A></H2> <H1><A HREF="file_sys.htm#filesys"></A>Chapter 7. File Systems</A></H1> <H2><A HREF="fs_overview.htm#D31340marc"></A>File Systems Overview</A></H2> <H2><A HREF="fs_overview.htm#Kz7330marc">File System Types</A></H2> <H2><A HREF="file_tree_under.htm#wnD11e0sami"></A>Understanding the File Tree</A></H2> <H2><A HREF="root_fs_under.htm#A9oD1180sami"></A>Understanding the Root File System</A></H2> <H2><A HREF="usr_fs_under.htm#YoD1180sami"></A>Understanding the /usr File System</A></H2> <H2><A HREF="share_under.htm#loD1c0sami"></A>Understanding the /usr/share Directory</A></H2> <H2><A HREF="var_fs_under.htm#QoD1360sami"></A>Understanding the /var File System</A></H2> <H2><A HREF="export_under.htm#EpD13a0sami"></A>Understanding the /export Directory</A></H2> <H2><A HREF="compress_under.htm#D07919C150omea"></A>Understanding Data Compression</A></H2> <H2><A HREF="frag_under.htm#HbZ1j2bdomea"></A>Understanding Fragments and a Variable Number of I-Nodes</A></H2> <H2><A HREF="jfs_size_under.htm#D6CE066274meki"></A>Understanding Journaled File System Size Limitations</A></H2> <H2><A HREF="lg_files_under.htm#A0FFF6B1832vick"></A>Understanding Large Files</A></H2> <H2><A HREF="mount_overview.htm#uBH210marc"></A>Mounting Overview</A></H2> <H2><A HREF="mount_sec_under.htm#BtX31d0sami"></A>Understanding Mount Security for Diskless Workstations</A></H2> <H1><A HREF="pg_space_vm.htm#pagingsp"></A>Chapter 8. Paging Space and Virtual Memory</A></H1> <H2><A HREF="pag_overview.htm#A8F0f"></A>Paging Space Overview</A></H2> <H2><A HREF="pag_space_under.htm#A8F021"></A>Understanding Paging Space Allocation Policies</A></H2> <H2><A HREF="pag_space_mng.htm#A102C1729"></A>Managing Paging Spaces</A></H2> <H2><A HREF="vmm_overview.htm#A57F01"></A>Virtual Memory Manager (VMM) Overview</A></H2> <H1><A HREF="backup_restore.htm#backup">Chapter 9. Backup and Restore</A></H1> <H2><A HREF="backup_overview.htm#A29891267">Backup Overview</A></H2> <H2><A HREF="backup_strat.htm#A285867060benw"></A>Developing a Backup Strategy</A></H2> <H2><A HREF="backup_usr.htm#A1761DC334benw">Backing up User Files or File Systems</A></H2> <H2><A HREF="backup_your.htm#D6BEA1A082acke">Backing Up the System Image and User-Defined Volume Groups</A></H2> <H1><A HREF="system_env.htm#BAA4D19530mart">Chapter 10. System Environment</A></H1> <H2><A HREF="profile_overview.htm#A68V04566"></A>Profiles Overview</A></H2> <H2><A HREF="tdms.htm#A10F0209"></A>List of Time Data Manipulation Services</A></H2> <H2><A HREF="unix95.htm#A12114BE486vick"></A>Understanding AIX Support for the X/Open UNIX95 Specification</A></H2> <H1><A HREF="nat_lang_sprt.htm#BAA4C69980mart"></A>Chapter 11. National Language Support</A></H1> <H2><A HREF="nls_overview.htm#bP52a0bob">National Language Support Overview</A></H2> <H2><A HREF="locale_overview.htm#A3LM7370bob"></A>Locale Overview</A></H2> <H2><A HREF="locale.htm#A2919111"></A>Understanding Locale</A></H2> <H2><A HREF="locale_cat.htm#WP932d0bob"></A>Understanding Locale Categories</A></H2> <H2><A HREF="locale_env.htm#A131C11b"></A>Understanding Locale Environment Variables</A></H2> <H2><A HREF="locale_def.htm#A101C1265"></A>Understanding the Locale Definition Source File</A></H2> <H2><A HREF="charmap.htm#imO2a0bob"></A>Understanding the Character Set Description (charmap) Source File</A></H2> <H2><A HREF="locale_change.htm#A102C1698"></A>Changing Your Locale</A></H2> <H2><A HREF="convert.htm#WQ2390lisa"></A>Converters Overview</A></H2> <H1><A HREF="process_mgmt.htm#CFE225E628acke">Chapter 12. Process Management</A></H1> <H1><A HREF="wlm_concepts.htm#wlm43Nworklmgtconceptstop"></A>Chapter 13. Workload Management</A></H1> <H2><A HREF="wlm_manage_res.htm#wlm43Nmggreswwlm"></A>Managing Resources with WLM</A></H2> <H2><A HREF="wlm_examp_cls_limit.htm#wlm43Nexampclasslimit"></A>Examples of Classification and Limits</A></H2> <H2><A HREF="wlm_setup.htm#wlm43Nsettupinswwlm"></A>Setting Up WLM</A></H2> <H1><A HREF="sys_res_ctrlnsubs.htm#BAA511B054mart">Chapter 14. System Resource Controller and Subsystems</A></H1> <H2><A HREF="sys_res_overview.htm#A2729f9"></A>System Resource Controller Overview</A></H2> <H1><A HREF="sys_acctg.htm#BD713B4983atla">Chapter 15. System Accounting</A></H1> <H2><A HREF="acct_overview.htm#A346F9497"></A>Accounting Overview</A></H2> <H1><A HREF="websm.htm#BA8E4E0779mart">Chapter 16. Web-based System Manager</A></H1> <H1><A HREF="sys_mgt_tools.htm#BA8E4E0779mart">Chapter 17. System Management Interface Tool</A></H1> <H2><A HREF="smit_overview.htm#A28294f9">System Management Interface Tool (SMIT) Overview</A></H2> <H1><A HREF="cde_manag.htm#DF09AB0798vick">Chapter 18. The AIX Common Desktop Environment</A></H1> <H1><A HREF="dss.htm#dss">Chapter 19. Documentation Library Service</A></H1> <H1><A HREF="power_mgmt.htm#F59FC93899vick">Chapter 20. Power Management</A></H1> <H2><A HREF="pow_mgmt_limit.htm#F79E17F699vick"></A>Power Management Limitation Warnings</A></H2> <H1><A HREF="devices.htm#A278A9677">Chapter 21. Devices</A></H1> <H2><A HREF="devices.htm#D15D46D296diet">Device Nodes</A></H2> <H2><A HREF="loc_codes.htm#A46P02d"></A>Location Codes</A></H2> <H1><A HREF="tape_drives.htm#A424DBF684virg">Chapter 22. Tape Drives</A></H1> <H2><A HREF="tape_attr.htm#A4B8F1D378virg">Tape Drive Attributes</A></H2> <H2><A HREF="tape_special.htm#A8Y3Pg11cvirg"></A>Special Files for Tape Drives</A></H2> <H1><A HREF="Appa.htm#BE155B6387rodn"></A>Appendix A. AIX for BSD System Managers</A></H1> <H2><A HREF="appa_overview.htm#HJ2sh1dbrodn"></A>AIX for BSD System Managers Overview </A></H2> <H2><A HREF="appa_intro.htm#AK2sh34crodn"></A>Introduction to AIX for BSD System Managers</A></H2> <H2><A HREF="appa_diff.htm#nK2sh329rodn"></A>Major Differences between 4.3 BSD and AIX</A></H2> <H2><A HREF="appa_acct.htm#nO2sh312rodn"></A>Accounting for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_backup.htm#BP2sh238rodn"></A>Backup for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_boot.htm#cP2sh22arodn"></A>Boot and Startup for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_commands.htm#CR2sh2brodn"></A>Commands for AIX System Administration for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_cron.htm#fR2sh3rodn"></A>Cron for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_devices.htm#A3S2sh29erodn"></A>Devices for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_file.htm#YS2sh3bcrodn"></A>File Comparison Table for 4.3 BSD, SVR4, and AIX</A></H2> <H2><A HREF="appa_fs.htm#CU2sh3abrodn"></A>File Systems for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_finding.htm#DT2shc1rodn"></A>Finding and Examining Files for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_paging.htm#fU2sh314rodn"></A>Paging Space for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_networking.htm#A6V2sh2cfrodn"></A>Networking for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_online.htm#VV2shdbrodn"></A>Online Documentation and man Command for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_NFS.htm#QY2sh3a3rodn"></A>NFS and NIS (formerly Yellow Pages) for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_passwords.htm#PZ2sh209rodn"></A>Passwords for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_performance.htm#AzZ2sh1a5rodn"></A>Performance Measurement and Tuning for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_printers.htm#Wa2sh19crodn"></A>Printers for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_terminals.htm#lb2sh304rodn"></A>Terminals for BSD 4.3 System Managers</A></H2> <H2><A HREF="appa_UUCP.htm#A9c2sh158rodn"></A>UUCP for BSD 4.3 System Managers</A></H2> <H1><A HREF="info_exp.htm#IzD3360kaye"></A>Appendix B. Managing the InfoExplorer Program</A></H1> <H2><A HREF="info_exp.htm#V8Q2390kaye">Customizing the InfoExplorer Program</A></H2> <H2><A HREF="info.htm#EAQ2390kaye"></A>Understanding the InfoExplorer Information Bases</A></H2> <H2><A HREF="info_notes.htm#NAQ230kaye"></A>Managing InfoExplorer Public Notes</A></H2> <H2><A HREF="info_cdrom.htm#VdJ330kaye"></A>Accessing InfoExplorer from CD-ROM</A></H2> <H2><A HREF="info_bases.htm#c4n390susa"></A>Removing InfoExplorer Information Bases</A></H2> <H2><A HREF="info_langs.htm#py13140kaye"></A>Changing InfoExplorer Languages</A></H2> <H2><A HREF="info_creat_notes.htm#x7Q70susa"></A>Creating InfoExplorer Public Notes</A></H2> <H2><A HREF="info_bkmarks.htm#uNL3f0kaye"></A>Transferring InfoExplorer Bookmarks from One User to Another</A></H2>