
- 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 
- 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- 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 … 
- 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- 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 … 
- 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 … 
- 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 
- 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 … 
- How to fix "running scripts is disabled on this system"?- Nov 1, 2020 · This is because of Execution Policy. This defines how powershell scripts will run. In Default windows desktops, it is Restricted, not allowing any scripts (signed or unsigned) only … 
- 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?