bash - Shell equality operators (=, ==, -eq) - Stack Overflow
Shell equality operators (=, ==, -eq) Asked 11 years, 10 months ago Modified 3 years, 5 months ago Viewed 644k times
What is the meaning of $? in a shell script? - Unix & Linux Stack …
Feb 20, 2011 · When going through one shell script, I saw the term "$?". What is the significance of this term?
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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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 …
Difference between Login Shell and Non-Login Shell?
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 …
When do we need curly braces around shell variables?
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How to represent multiple conditions in a shell if statement?
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
What is the difference between shell, console, and terminal?
The shell is the program which actually processes commands and returns output. Most shells also manage foreground and background processes, command history and command line editing.
shell - How can I compare numbers in Bash? - Stack Overflow
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