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
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 …
shell - Difference between sh and Bash - Stack Overflow
Shell - "Shell" is a program, which facilitates the interaction between the user and the operating system (kernel). There are many shell implementations available, like sh, Bash, C shell, Z …
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 …
shell - How can I compare numbers in Bash? - Stack Overflow
BTW, in bash a semi-colon is a statement separator, not a statement terminator, which is a new-line. So if you only have one statement on a line then the ; at end-of-line are superfluous. Not …
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
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 …
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, 5 months ago Viewed 2.1m times
shell - How to mkdir only if a directory does not already exist ...
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 …
When do we need curly braces around shell variables?
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 …