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Knowing how to work with and display exit codes on the Linux command line or in scripts can help make errors more obvious. Exit codes on the Linux command line are numeric values that provide feedback ...
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 ...
Sometimes I need a shortcut to make things a bit faster. There are also situations where my memory needs a helping hand with the litany of commands I use throughout the week. That's why I often turn ...
The Linux set command allows you to change the value of shell options or to display the names and values of shell variables. Rarely used, it is a bash builtin, but is quite a bit more complicated than ...
If you've worked in the terminal, it's likely you're in some way proficient with the command history features of your shell. There's a lot more functionality than many realise however, and learning it ...
Linux’s Bash shell is coming to Windows, courtesy of a collaboration between Microsoft and Ubuntu-creator Canonical. Type bash into Windows 10’s Start menu, and you’ll be able to instantly get a full ...