Feb 24, 2015 · According to man bash, Bash is a "sh-compatible command language". Then, we can say a "command language" is "a programming language through which a user communicates with …

Bash - what's the use of "fi ;;"? Asked 14 years, 4 months ago Modified 8 years, 9 months ago Viewed 180k times

Sep 14, 2012 · $! is the PID of the most recent background command. $0 is the name of the shell or shell script. Most of the above can be found under Special Parameters in the Bash Reference …

Mar 5, 2017 · Visual Studio Code on Windows uses PowerShell by default as the integrated terminal. If you want to use Bash from Visual Studio Code, what steps should be followed?

Apr 3, 2012 · What does a dollar sign followed by an at-sign (@) mean in a shell script? For example: umbrella_corp_options $@

Bash is largely compatible with sh and incorporates useful features from the Korn shell ksh and the C shell csh. It is intended to be a conformant implementation of the IEEE POSIX Shell and Tools …

531 = and == are for string comparisons -eq is for numeric comparisons -eq is in the same family as -lt, -le, -gt, -ge, and -ne == is specific to bash (not present in sh (Bourne shell), ...). Using POSIX = is …

Dec 10, 2009 · To clarify the above comment, the issue with the question is that there is no such thing as "Unix shell [scripting]". Instead, there are multiple shells, with a POSIX-compatible one being kind …

Nov 30, 2014 · So, when someone talks about bash scripting, he's using a shell, but when someone is talking about shell scripting, he isn't per se using bash. But as bash is commonly used in scripting for …

Mar 23, 2012 · In fact Stevens agrees with you in Advanced Programming in the Unix Environment by stating that "a pipe in a single process is next to useless". After all, pipes are a mechanism for inter …