bash - Shell equality operators (=, ==, -eq) - Stack Overflow
Shell equality operators (=, ==, -eq) Asked 11 years, 11 months ago Modified 3 years, 5 months ago Viewed 645k times
shell - What does "--" (double dash / double hyphen) mean?
In man bash we can read in Shell Builtin Commands section (online doc): Unless otherwise noted, each builtin command documented in this section as accepting options preceded by - accepts …
error in unix shell script - Unix & Linux Stack Exchange
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What does $# mean in shell? - Unix & Linux Stack Exchange
What does $# mean in shell? I have code such as if [ $# -eq 0 ] then I want to understand what $# means, but Google search is very bad for searching these kinds of things.
shell - How to concatenate string variables in Bash - Stack Overflow
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 …
shell - How can I compare numbers in Bash? - Stack Overflow
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Check existence of input argument in a Bash shell script
Jun 26, 2011 · Check existence of input argument in a Bash shell script Asked 14 years, 4 months ago Modified 1 year, 4 months ago Viewed 2.1m times
shell - '\r': command not found - Stack Overflow
Sed , tr may solve the issue in case of you just need to run script, however if you are developing shell script its become annoying each time first convert using, sed/tr command then run your …
linux - Go back to previous directory in shell - Super User
Is there a way to go back to previous directory we were in using bash,tcsh without using pushd/popd ? I'd like to type something like "back" and got returned to the previous directory I …
Running multiple commands in one line in shell - Stack Overflow
Feb 27, 2011 · There is a variation of running multiple commands in one line in the shell where you want them to run simultaneously rather than one after the other. The OP was interested in …