display a very brief description of a command
The linux command line
... Display A Program's Manual Page 45 apropos – Display Appropriate Commands 47 whatis – Display A Very Brief Description Of A Command .47 The Most Brutal Man Page Of Them All ... any characters ? Matches any single character [characters] Matches any character that is a member of the set characters [!characters] Matches any character that is not a member of the set characters ... Class Meaning [:alnum:] Matches any alphanumeric character [:alpha:] Matches any alphabetic character [:digit:] Matches any numeral [:lower:] Matches any lowercase letter [:upper:] Matches any...
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Creating and Editing Files
... can create a new template by copying an existing template and then clicking Edit For example, if you want to create a new Java class template, you can duplicate an existing Java class template, ... element, as well as between documents Navigating Within a Java File The IDE provides several mechanisms to make it easier to view and navigate a given Java file: ■ ■ Chapter Navigator window The Navigator ... modifications to that language and modify language-specific settings For example, you can select Java from the Language drop-down menu and select a category to change the font and color of each...
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Tài liệu Sharing and Securing Files and Folders pptx
... privilege assigned This allows application administrators only to manage the applications, such as patches and upgrades You might also add a special “applications admins” group with Change control enabled ... projects that require them For example: Y2K compliance docs or materials management Naming the shares after the application name is confusing, and you may have many shares that contain data generated ... same application A share named Microsoft Access Files would be a bad idea For example, we manage several hundred servers, and they all contain Microsoft Access files ✦ Give your users Change access...
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Tài liệu Lab 6.2.6 Add, Move, and Change MAC Addresses doc
... entries could have also been done ALSwitch#clear mac-address-table Step 16 Verify the results a Verify that the mac-address-table has been cleared ALSwitch#show mac-address-table b Can all PCs still ... Determine what MAC addresses the switch has learned a Determine what MAC addresses the switch has learned by using the show mac-addresstable command, as shown, at the privileged exec mode prompt ALSwitch#show ... show MAC table options To determine the options that the mac-address-table command has using enter the ? option as follows: ALSwitch(config)#mac-address-table ? Step Set up a static MAC address...
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Tài liệu Lab 6.2.6 Add, Move, and Change MAC Addresses docx
... options that the mac-address-table command has using enter the ? option as follows: ALSwitch(config)#mac-address-table ? Step Set up a static MAC address To setup a static MAC address on Fast Ethernet ... what MAC addresses the switch has learned by using the show mac-addresstable command, as shown, at the privileged exec mode prompt ALSwitch#show mac-address-table b How many dynamic addresses are ... to clear the mac-address-table Note: Clearing individual entries could have also been done ALSwitch#clear mac-address-table Step 16 Verify the results a Verify that the mac-address-table has been...
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Ecological Orbits: How Planets Move and Populations Grow potx
... to Amy Dunham for her artwork, to Elizabeth Milliman for data analysis and editorial assistance, to Herb Mummers for editorial and technical assistance, to Edward Beltrami and Patrícia Maragliano ... what Lakatos called “the auxiliary hypotheses”) to accommodate recalcitrant data Think of the way in which Newton’s law of gravitation was saved from falsification in light of the aberrant behavior ... Quenette and Gerard, 1993; Turchin, 2001) Unfortunately, a great deal of this discussion has suffered because of a lack of clarity about what a natural law is As we suggested above, giving a clear account...
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matlab script and function files
... Programming Example of a MATLAB Function File • To use the function a MATLAB program could assign values to two variables (the names not have to be a and b) and then call the function to swap them ... Programming MATLAB Script Files • A MATLAB script file (Called an M-file) is a text (plain ASCII) file that contains one or more MATLAB commands and, optionally, comments • The file is saved ... local in MATLAB (as they are in C), the function has its own memory locations for all of the variables and only the values (not their addresses) are passed between the MATLAB workspace and the...
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Managing tablespaces and data files
... Resizing a data file adds more space without adding more data files • Manual resizing of a data file reclaims unused space in database • Example: ALTER DATABASE DATAFILE '/u03/oradata/userdata02.dbf' ... Resizing a Tablespace A tablespace can be resized by: • Changing the size of a data file: – Automatically using AUTOEXTEND – Manually using ALTER DATABASE • Adding a data file using ALTER TABLESPACE ... Moving Data Files • ALTER TABLESPACE – Tablespace must be offline – Target data files must exist ALTER TABLESPACE userdata RENAME DATAFILE '/u01/oradata/userdata01.dbf' TO '/u02/oradata/userdata01.dbf';...
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Accessing Files and Directories
... are: $ cal (Command only) $ cal 1987 (Command and argument) $ date (Command only) $ date -u (Command and option) $ banner "hi there" (Command and argument) Changing Directories Using the cd Command ... directory A few days ago the system administrator showed you how to display a calendar and you remember that the command started with a c You need to use this command again to find out what day of the ... characters with special meaning to the shell They are a powerful feature of any shell A general definition of a metacharacter is any keyboard character that is not alphanumeric; for example: ; $ % !...
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Removing Large Files and Log Rolling
... straightforward variables #!/bin/sh HOWOLD=30 FSLIST="/ /boot" UNAME=`uname -n` DATE=`date +%m%d%I%M` DATADIR="/usr/local/data/cores" LOGFILE="$DATADIR/cor_report" The HOWOLD variable is used as the maximum ... that created the core files and moves the core files to a central location for later examination The script also logs its actions and cleans up old saved files First we have to set up some straightforward ... that some processes may keep a file open for writing for a very long time Here is a sample of a directory listing, including an offending log file that is consuming large amounts of disk space...
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Processes and Files
... shell commands, "normal" UNIX commands or not valid commands If they are "normal" UNIX commands, indicate where the command' s executable program is located a alias b history c rename d last 6.2 ... SIGRTMAX-14 SIGRTMAX-10 SIGRTMAX-6 SIGRTMAX-2 The signals to 31 are the standard signals and each has a predefined meaning and function The signals 32 to 63 are the Real Time signals and the characters ... formats For the various find actions that display information about the file, you are urged to examine the manual page for find Executing a command find has two actions that will execute a command...
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The JSP Files (Part 3) - Black Light and White Rabbits
... initialized to 30, and a "while" loop is used to decrement the value of the variable until it reaches Once the value of the variable is 0, the conditional expression evaluates as false, and the ... learned a little bit about the various conditional statements and operators available in JSP This week, we'll expand on those basics by teaching you a little bit about the different types of ... loops available in JSP, discuss a few more String object methods, and take a quick tour of the new Response object First up, loops As you may already know, a "loop" is a programming construct that...
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Basic Router Operation - Backing Up and Restoring Router Configuration Files and IOS Software Images
... number of bytes of Flash memory that the system image file takes up will vary from router to router There should be at least several megabytes of Flash memory still available, however Task 2, ... configuration? (Do a show run on your router if necessary.) Task 2: Back up a router IOS software image to a TFTP server Step 2-1 Look at the contents of Flash memory What command ... than NVRAM You also want to back up your router's IOS software image in case your router suffers a critical failure Finally, you want to test these backups by restoring them to your router Task...
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The JSP Files (Part 7) - Bugs, Beans and Banks
... org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372) at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java: 7) at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743) at org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnecti ... javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404) at org.apache.tomcat.core.Handler.service(Handler.java:286) at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372) ... or applications) The advantages of this are obvious: an organization which has already made an investment in JavaBeans technology can leverage off it to quickly reuse existing code modules, at...
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The JSP Files (Part 8) - Tagged and Bagged
... codebase="http://java.sun.com/products/plugin/1.2.2/jinstall−1_2_2−win.cab ersion=1,2,2,0"> ... reusable, a change made to it will immediately reflect in all JSP pages using that tag library Similarly, a new feature added to the tag library becomes immediately available to all pages carrying ... DATETIME tag library, designed to manipulate date− and time−stamps You can download a copy of this library from http://jakarta.apache.org/taglibs/doc/datetime−doc/intro.html, and you can find a number...
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Tài liệu Basic Router Operation - Backing Up and Restoring Router Configuration Files and IOS Software Images doc
... number of bytes of Flash memory that the system image file takes up will vary from router to router There should be at least several megabytes of Flash memory still available, however Task 2, ... configuration? (Do a show run on your router if necessary.) Task 2: Back up a router IOS software image to a TFTP server Step 2-1 Look at the contents of Flash memory What command ... than NVRAM You also want to back up your router's IOS software image in case your router suffers a critical failure Finally, you want to test these backups by restoring them to your router Task...
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Tài liệu Creating Files and Directories Using Windows 2000 docx
... save the file Troubleshooting Make sure that file names contain valid characters There are some characters that Windows will not allow in a file or folder name Do not use the following characters ... on an open space in the directory and select New > Text Document, to create a new file on this drive When the file is created, name the file “Lab5.3.5document” The file can now be opened and ... or saved Double-click on the file to open it and then type the sentence below “I have learned how to create a file and directories with Windows 2000.” Close the document and select Yes when asked...
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Tài liệu 16.3. Working with Files and Directories pptx
... Safe with Us Metadata means "data about data." For example, the handwritten note on a shoebox of photos is metadata for the image data inside, reminding you of the photos' date, location, camera ... file sat 35 times, each time using a different string of data as specified by the Gutmann algorithm (And what is the Gutmann algorithm? A series of data patterns that make recovery of an erased ... metadata in one way or another, but Leopard really goes whole hog It now recognizes a Unix feature called extended attributes to store all kinds of file metadata In fact, many of the special...
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Tài liệu Module 10: Data Streams and Files doc
... Isolated storage is a data storage mechanism that provides isolation and safety by defining standardized ways of associating code with saved data Isolation When an application stores data in a file, ... MemoryStream Class The MemoryStream class provides a way to create streams that have memory as a backing store, instead of a disk or a network connection The MemoryStream class creates a stream out of ... functions of the Stream class and its subclasses Lead-in Streams provide a way to read and write bytes from and to a backing store A backing store is a storage medium, such as a disk or memory ! A Way...
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Tài liệu Accessing Files and Folders pdf
... Network Share APPS File Server Network Share DATA ACL Users Administrators Sales ACL Users Administrators Sales For each ACL, there is an ACE that defines what a user or a group can actually at the ... used by many users Sharing also allows an administrator to install an application once, as opposed to installing it locally at each computer, and to manage the application from a single location ... Summary FIGURE 10.36 485 Local and network security govern access D:\DATA NTFS SHARE ACL ACE ACL ACE Everyone Read Everyone Change Sales Modify Sales Read Managers Full Control Managers Change...
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