Learning Unix for OS X Mountain Lion: Using Unix and Linux by By (author) Dave Taylor

By By (author) Dave Taylor

Think your Mac is strong now? writer Dave Taylor exhibits you the way to get even more out of your process via tapping into Unix, the strong working procedure hid underneath OS X’s attractive consumer interface. Mountain Lion places greater than 1000 Unix instructions at your fingertips—for discovering and dealing with records, remotely having access to your Mac from different desktops, and utilizing quite a few freely downloadable open resource functions. Take a pleasant journey of the Unix command line and 50 of the main priceless utilities, and quick methods to achieve genuine regulate over your Mac.

  • Get your Mac to just do what you will have, should you wish
  • Make alterations in your Mac’s filesystem and directories
  • Use Unix’s find, locate, and grep instructions to find records containing particular details
  • Create precise "super-commands" to accomplish projects that you simply specify
  • Run a number of Unix courses and approaches whilst
  • Install the X Window method and get a short travel of the simplest X11 functions
  • Learn the way to take even larger good thing about Unix in your Mac

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Additional resources for Learning Unix for OS X Mountain Lion: Using Unix and Linux Tools at the Command Line

Example text

In most cases, you can combine them after a single dash (such as ab), but most commands’ documentation doesn’t tell you whether this will work; you’ll have to try it. Some commands also have options made from complete words or phrases and starting with two dashes, such as --delete or --confirm-delete. When you enter a command line, you can use this option style, the single-letter options (which each start with a single dash), or both. • The argument filename is the name of a file you want to use.

The answer, which will be something like /bin/bash, is your shell’s path and name. The Shell Prompt When the system is ready to run a command, the shell outputs a prompt to tell you that you can enter a command. The default prompt in bash is the computer name (which might be something auto matically generated, such as dhcp-254-108, or a name you’ve given your system), the current directory (which might be represented by ~, Unix’s shorthand for your home directory), your login name, and a dollar sign.

This line sets a shell variable that the shell itself uses as its search path for finding commands that are typed in. Usually the default PATH is fine, but since I have some local programs and scripts I’ve written, this lets me use them without specifying their location in the filesystem each time. Similarly, this line specifies what editor the SVN command should use by default (vi). Not all commands recognize environment variables, but for those that do, this type of environment variable setting saves you the trouble of typing the options on every command line.

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