By Eric J. Ray
With Unix, 4th variation: visible QuickStart advisor, readers can begin from the start to get a journey of the Unix working process, or search for particular projects to profit simply what they should be aware of. This task-based, visible reference advisor makes use of step by step directions and lots of screenshots, and contains 3 years worthy of latest fabric according to the newest Unix advancements. This reference consultant info all Unix instructions and innovations besides guidance that placed these instructions in context. major Unix gurus Deborah S. Ray and Eric J. Ray leverage their services as technical writers and dealing within the (Sun Microsystems) as they take readers step by step during the commonest Unix instructions and ideas.
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Extra resources for Unix and Linux: Visual QuickStart Guide
The link does not create a copy of the file; instead, you’re creating a second pointer to the same physical file on the disk. 14). Chapter 2 To make a hard link: 1. ls -l /home/deb/Projects/schedule/ our* /home/helper/our* To begin, list the files in both directories to make sure that the file to link exists and that there’s no other file with the intended name in the target directory. Here, we list the files that start with our in both /home/ deb/Projects/schedule and in /home/ helper. 14). 2.
Ls | more List the files (which will be programs, in this example) and pipe the output to more so you can read the names one screen at a time. 3. ssh Type the name of any program you want to run; ssh, in this case, allows you to connect to another system and use it just as you’re using your Unix system now. Tip You can type man followed by a command name to learn more about Unix programs. See the next section for information about Unix help. 25 Exploring the System Directory Exploring the System Chapter 1 Getting Help with man Occasionally, you may need a bit of help remembering what a particular command does.
Each time you save changes in a file, the system automatically updates the date and time. See Chapter 4 for details about editing and saving files. Refer to the sidebar “Naming Directories (and Files)” in this chapter for file-naming guidelines. 33 Creating Files with touch Chapter 2 Copying Directories and Files with cp When working in Unix, you’ll frequently want to make copies of directories and files. For example, you may want to copy a file you’re working on to keep an original, unscathed version handy.
Unix and Linux: Visual QuickStart Guide by Eric J. Ray