Learning Unix for OS X Mountain Lion: Going Deep With the Terminal and Shell

Learning Unix for OS X Mountain Lion: Going Deep With the Terminal and Shell

Dave Taylor

Language: English

Pages: 235

ISBN: 2:00116219

Format: PDF / Kindle (mobi) / ePub

Think your Mac is powerful now? Author Dave Taylor shows you how to get much more from your system by tapping into Unix, the robust operating system concealed beneath OS X’s beautiful user interface. Mountain Lion puts more than a thousand Unix commands at your fingertips—for finding and managing files, remotely accessing your Mac from other computers, and using a variety of freely downloadable open source applications. Take a friendly tour of the Unix command line and 50 of the most useful utilities, and quickly learn how to gain real control over your Mac.
* Get your Mac to do exactly what you want, when you want
* Make changes to your Mac’s filesystem and directories
* Use Unix’s find, locate, and grep commands to locate files containing specific information
* Create unique "super-commands" to perform tasks that you specify
* Run multiple Unix programs and processes at the same time
* Install the X Window system and get a quick tour of the best X11 applications
* Learn how to take even greater advantage of Unix on your Mac

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Use Paste Escaped Text (^-⌘-V), and a filename like taylor/Desktop/ My Favorite Martian is automatically pasted as taylor/Desktop/My\ Favorite\ Martian. Edit→Paste Selection If you want to copy and paste just what you’ve selected from a window, rather than everything visible in the Terminal window, use Paste Selection without a Copy, and it’ll save you a step. The keyboard shortcut for this one is worth remembering, too: Shift-⌘-V. 22 | Chapter 2: Using the Terminal Figure 2-5. Shell menu.

Working with Unix editing tools and you need to fix a Mac-format file, simply use m2u (Mac to Unix), as in: $ m2u < mac-format-file > unix-friendly-file And if you find yourself in the opposite situation, where you’re editing a Unix file in a Mac tool and it has some carriage-return weirdness, use the reverse (Unix to Mac) within the Terminal before opening the file for editing: $ u2m < unix-friendly-file > mac-format-file You can add these aliases to your future login sessions by copying the.

Chap1a.old chap3.old chap6 haha chap1b chap4 chap7 oldjunk $ rm *.old chap10 $ ls chap1b chap4 chap6 cold oldjunk Managing Files | 103 chap2 chap5 $ rm c* $ ls haha oldjunk $ chap7 haha When you use wildcards with rm, be sure you’re deleting the right files! If you acciden tally remove a file you need, you can’t recover it unless you have a copy in another directory or in your backups. Do not enter rm * carelessly. It deletes all the files in your working directory. Here’s another easy.

True if the file is newer than the specified reference file. -nouser True if the file belongs to an unknown user (that is, a user ID that doesn’t appear in either /etc/passwd or NetInfo). -perm mode True if the file matches the specified permission. This complex primary is explained later in this chapter. Using find to Explore Your Filesystem | 121 Option Description -print Prints the full pathname of the current file. -print0 Special version of -print that compensates for spaces and.

Printers: $ lpstat -a Brother_HL_2070N_series accepting requests since Mon Aug 22 17:59:19 2011 EPSON_Artisan_837 accepting requests since Sat Mar 31 09:06:42 2012 Samsung_ML_1740___MiniMe accepting requests since Sun May 13 09:36:44 2012 In this case, you can see that I have three printers, all online and accepting print jobs. To see which of your possible printers is the default, use the -d option: $ lpstat -d system default destination: Samsung_ML_1740___MiniMe If you have printers hooked up.

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