Shell equality operators (=, ==, -eq) Asked 11 years, 11 months ago Modified 3 years, 5 months ago Viewed 645k times

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 - "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 …

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 …

Oct 10, 2019 · If your shell has a nullglob option and it's turned on, a wildcard pattern that matches no files will be removed from the command line altogether. This will make ls see no …

Setting the shell argument to a true value causes subprocess to spawn an intermediate shell process, and tell it to run the command. In other words, using an intermediate shell means that …

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

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 …

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 …

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 …