As the ripples from the Shellshock vulnerability spread, an increasing number of problems are being found in the Bash shell, and those problems are being fixed. Apple got into the game with OS X Bash ...

Ever wondered why programming in Bash is so difficult? Bash employs the same constructs as traditional programming languages; however, under the hood, the logic is rather different. The Bourne-Again ...

Bash, and other shells like zsh, support several test operators that you can use to check conditions: whether something is a file, or if one number is larger than another, for example. These tests are ...

A critical vulnerability has been discovered in the widely used Bash command processor, present in most Linux and UNIX distributions and Mac OS X. The US Department of Homeland Security’s CERT team ...

UPDATE, 9/25: The Bash vulnerability, now dubbed by some as “Shellshock,” has been reportedly found in use by an active exploit against Web servers. Additionally, the initial patch for the ...

If you've written any amount of bash code, you've likely come across the trap command. Trap allows you to catch signals and execute code when they occur. Signals are asynchronous notifications that ...