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add -C (context) to grep options

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Brad Beyenhof 2015-07-20 12:37:30 -07:00
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@ -63,7 +63,7 @@ Notes:
- Basic network management: `ip` or `ifconfig`, `dig`.
- Know regular expressions well, and the various flags to `grep`/`egrep`. The `-i`, `-o`, `-v`, `-A`, and `-B` options are worth knowing.
- Know regular expressions well, and the various flags to `grep`/`egrep`. The `-i`, `-o`, `-v`, `-A`, `-B`, and `-C` options are worth knowing.
- Learn to use `apt-get`, `yum`, `dnf` or `pacman` (depending on distro) to find and install packages. And make sure you have `pip` to install Python-based command-line tools (a few below are easiest to install via `pip`).