May 8, 2012 · I understand the basic difference between an interactive shell and a non-interactive shell. But what exactly differentiates a login shell from a non-login shell? Can you give …

Oct 27, 2021 · 180 command-line - what is the purpose of &&? In shell, when you see $ command one && command two the intent is to execute the command that follows the && only if the first …

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Nov 15, 2010 · A bashism is a shell feature which is only supported in bash and certain other more advanced shells. It will not work under busybox sh or dash (which is /bin/sh on a lot of …

I want to redirect both standard output and standard error of a process to a single file. How do I do that in Bash?

I am building a shell as part of a school assignment, a limited version of bash. The whole program seems to function alright without any kind on leaks, but when I send invalid/nonexistent …

You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation and how do I …

Sep 30, 2010 · How to represent multiple conditions in a shell if statement? Asked 15 years, 1 month ago Modified 3 years, 9 months ago Viewed 1.2m times

In shell programming, commands and arguments must be separated from each other by whitespace. Here, you see the equal sign with no whitespace, meaning this is a variable …

I am writing a shell script to run under the KornShell (ksh) on AIX. I would like to use the mkdir command to create a directory. But the directory may already exist, in which case I do not …