files and directories in linux ppt

... deletes everything in the working directory: rm -rf *. Tip: Be doubly cautious when using wildcards in rm command lines, and triply cautious when using them while logged in as an administrator.If ... directories within directories unless you explicitly tell it to, using the -R option flag. Here's the finished command that copies everything in the current directory—both files and directories into ... empty files primarily as targets for practicing the next command. 16.3.5. rm (Remove Files and Directories) Unix provides an extremely efficient way to trash files and directories. With a single...

Ngày tải lên: 14/12/2013, 12:15

... (Command only) $ date -u (Command and option) $ banner "hi there" (Command and argument) Changing Directories Using the cd Command Files you need to access are often stored in subdirectories ... 5-3 Linux File System Structure Exercise: Accessing Files and Directories Exercise objective – In this lab you will use the commands discussed in this module to change directories and list directories. Tasks Use ... within the file structure using absolute and relative pathnames  Identify and describe the parts of a command line  Access files and directories within the file structure using pathname abbreviations ...

Ngày tải lên: 02/10/2013, 09:20

... Systems, Inc. Lab 8.4.1: Creating Files and Directories Using Windows 2000 Estimated Time: 15 Minutes Objective In this lab, the student will learn how to create files and directories in Windows ... directory or folder. In the second step of the lab, the student will create a file and save it inside the directory. Step 1: Creating a Directory 1. Log in using the Administrator account. ... computer systems. They want new directories and files created on the server for the people that are going to be receiving these new computers. Procedures In the first step of this lab, the student...

Ngày tải lên: 11/12/2013, 15:15

... Inc. Step 3: Creating Directories 1. The following command sequence will not work unless the user is in the home directory. Type: cd Verify that the user is in the home directory by using ... command. Next, create the directory structure by typing in the following command: mkdir –p chemistry/experiments/week3 Example Verify that the directories were created correctly by typing: ... 3. In the space below draw a picture of the home directory. Create a graphical representation of the home directory including all of the new directories that were created in the steps in this...

Ngày tải lên: 18/01/2014, 05:20

... does not change. Having the IP address changing all the time could create a lot of administrative costs and trouble from users and customers who will be calling and saying they cannot access ... the FTP site anymore. If having difficulties with the Linux FTP client, try a windows computer. A Windows system can easily connect to a Linux FTP server by using a popular program called WS_FTP. ... employees in the Marketing and Sales Department will be able to access and download files when away from the office. An FTP site must be created on the server for them to access. Procedures In Linux...

Ngày tải lên: 18/01/2014, 05:20

... Telnet into the Linux server Scenario The student is setting up a Linux server that will need to be administered and accessed remotely. To do this, Telnet services will be installed on the Linux ... remotely administer a Linux server. Equipment The following equipment is required for this exercise: • A system running Linux Red Hat 7.2 or greater • Another system, either Linux or Windows, ... Cisco Systems, Inc. Troubleshooting Configuring services like Telnet for a Linux operating system can be somewhat confusing to the inexperienced user. Editing the configuration files can be...

Ngày tải lên: 18/01/2014, 05:20

... the Linux environment. Equipment The following equipment is needed in order to complete this lab: • A lab computer with Linux installed and running. Scenario The members of the Engineering ... Systems, Inc. Lab 10.4.10: Writing a Script File in Linux Estimated Time: 25 minutes Objective Upon completion of this lab, the student will be able to create a script file and run it in ... backup. Instead of typing all these different commands individually each time, a script file can be written to execute all of them with one command. Procedures Basic knowledge of the command line...

Ngày tải lên: 18/01/2014, 05:20

... Cisco Systems, Inc. Example of the du command Step 3: The top Command 1. Use the man command to learn about the top command. From a terminal window type: man top 2. In the space below, ... Step 2: The du Command (disk usage) 1. Remain logged in as the root user; Use the man command to learn about the du command. From a terminal window type: man du 2. In the space below, give ... What is the difference in the commands when the –hs switches are added? How much space is being used in studentA5’s home directory? 7. The du command can useful in determining the size of any...

Ngày tải lên: 24/01/2014, 19:20

... after Independeoce. The continued inequalities in ownership of wealth and in incomes continued to generate huge differences in the type and extent of morbidity in different social classes in Zimbabwe ... (1987) in a study in Nigeria, and Brown (quoted in Ekpenyong, 1987) in a study among Ghanaians. In a recent study among the elderly living in urban, communal and commercial fanning areas in Zimbabwe, ... poorest care. This is also evident in the allocation of personnel within the health sector in general. and in institutions in particular. Death and dying Death is inevitable, but itcauses anxiety...

Ngày tải lên: 14/02/2014, 07:20

... this point, according to the 'official line', scientists should drop the theory with the false prediction. In fact, many famous scientists, including Newton and Einstein, and most ... expensive and time consuming. The researcher may require skills of tact and persuasion, not needed in the laboratory, in dealing with those who need convincing that the research is necessary, and in ... for instance, in mainstream textbooks you will find little that relates to our everyday understanding of that term. You will find strange studies in which people are injected with drugs and...

Ngày tải lên: 15/02/2014, 16:20

Ngày tải lên: 21/02/2014, 08:20

... for the binding of gastrin, and of the regions in gastrin required for the interaction with transferrin, is obviously essential to a full understanding of the interaction. The independent involvement ... studies showing the binding of gastrin to a transferrin with the iron-binding residues in both lobes mutated, or to the individually expressed N-lobe or C-lobe with and without the iron-binding residues mutated, ... Baldwin GS (2004) Gastrins, chole- cystokinins and gastrointestinal cancer. Biochim Biophys Acta 1704, 1–10. 11 Baldwin GS, Curtain CC & Sawyer WH (2001) Selective, high-affinity binding of...

Ngày tải lên: 07/03/2014, 02:20

... consciousness in ethical decision-making to be real life situations, issues faced in everyday clinics, in business management, and in scholarly pursuits. Apparently Drs. Bercovitch, Perlis, and co-authors ... and profi t, such advertising is inherently biased and pro- motes inappropriate prescribing. Even accurate and impartial advertising may also be harmful. Some fear that time spent discussing ... physically incapable of becoming pregnant. Since the goal of iPLEDGE is to eliminate in utero exposure to isotretinoin, only those capable of becoming pregnant reasonably require such testing. ...

Ngày tải lên: 07/03/2014, 04:20

... Determinants of weight gain and overweight in adult Finns. Eur J Clin Nutr 1991;45(9):419–30. 1—SETTING THE SCENE Clinical Practice Guidelines for the Management of Overweight and Obesity in Adults 4 1—SETTING ... predisposition to weight gain, and an increasingly ‘obesogenic’ modern environment, that is propelling the epidemic and explains the inter-individual differences in response. A SS E S S ME ... whole. Increased duration of behavioural treatment increases the II likelihood of maintaining weight loss; in the absence of continued behavioural intervention, a return to baseline weight occurs in...

Ngày tải lên: 08/03/2014, 14:20

... traditions in which power is fundamental and violence, including terrorism, is a routine part of gaining and maintaining power. 6,7 When these cultural legacies are combined with social injustice and extreme ... commander in the field, the diplomat seeking to bring influence to bear, and the operative seeking to influence public opinion in the Middle East will need to be able to act promptly, based on information ... a set of principles, and a doctrine that is readily understood and disseminated. This should include rules of engagement and an understanding of higher-level issues and tradeoffs permitting rapid...

Ngày tải lên: 15/03/2014, 21:20

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