Unix as a Second Language
Pipes and more pipes on Linux
Linux systems support pipes that enable passing output from one command to another, but they also support 'named pipes,' which are quite different.
Moving tasks from foreground to background and back again
Moving a command or script that you're running on the command line to the background so that you can start another job and managing backgrounded processes requires only a handful of commands.
Assigning sudo privilege to users on Linux
Assigning sudo privileges to users allows them to help manage the system by running commands that they would not otherwise be allowed to use.
How to determine your Linux system’s filesystem types
Linux provides quite a few commands to look into file system types. Here's a look at the various file system types used by Linux systems and the commands that will identify them.
The power of >, >>, &, &&, and || on Linux
The >, >>, &, && and || characters are extremely useful whenever you're working on the Linux command line.
Creating a directory tree with a single command
The mkdir command can create not just a directory but also a complex directory structure if you ask in the right way.
Getting help on Linux
There are a lot of ways to get help on Linux, especially when you're getting started and want to learn a number of important commands.
Finding files on Linux in all sorts of ways
There a quite a few ways to narrow your search when trying to find files on a Linux system.
Using PuTTY to connect to Linux
PuTTY can do a lot more than allow you to log into Linux from another system. It also allows you to tailor your window in several ways.
Sharing, compressing and password-protecting files on Linux
Linux provides a number of ways to control who has access to your files and what kind of access they have.
Using aliases on Linux
Setting up aliases on Linux systems can save you a lot of time and trouble on the command line. This post shows how to set up and manage aliases and provides a number of examples on how and why to use them.
Resizing images on the Linux command line
The convert command (part of ImageMagick) can change the resolution of image files faster than you can count to F in hex.
Taking advantage of the grep command's many options
The grep command offers interesting options to help you find what you want from text files.
Four ways to view files and file permissions on Linux
Viewing the content of files and examining access permissions and such are very different options. This post examines a number of ways to look at files on Linux.
Exploring bash builtins on Linux
Here's how to learn about the many bash builtins you might be unfamiliar with.
How to create netstat aliases to help focus on network activity
The netstat command can display an overwhelming amount of network statistics. Ready to make your focus a little easier with a series of aliases?
Using the Linux ncdu command to view your disk usage
The ncdu command provides a convenient way to review files and the disk space being used on Linux systems, but the file sizes may appear a little strange at first.
Verifying bash script arguments
Check out how you can ensure that proper arguments are passed to your bash scripts.
Recording your commands on the Linux command line
Linux offers a couple of easy ways to record commands you type so that you can review or rerun them.
Using the at command to schedule tasks on Linux
The at command allows you to run a task on a Linux system at any time or date you specify.
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