sed is failing when regex pattern is a group...

Detecting a chroot jail from within...

Get Current User from root mode?...

How do I convert from using `grep -P` to `grep -E`?...

How do the err/warn functions get the program name?...

Bash double quotes inside double quotes BSD...

How can I build FreeBSD from source correctly?...

Get file mode in octal with stat (BSD vs GNU)...

Implement of original strlcpy function on Libc...

C function for combining an array of strings into a single string in a loop and return the string af...

How can I detect BSD vs. GNU version of date in shell script...

How to downgrade all ports on FreeBSD...

OpenBSD Socket Programming...

Unable to get USB bsdname from macOS Monterey 12 Bate4 of Intel processor...

-i without argument: is GNU sed --posix option bugged or BSD sed is not POSIX-compliant?...

Twincat/BSD, try out on Raspberry possible?...

Weird MAC address format using "arp -a" tool on MacOS...

Replace a pattern range line by line with sed...

OSX fails to convert ISO8601 to epoch...

how to get thread ID as integer on BSD in C/C++?...

Sends from epoch, for 1 year ago on MacOS / BSD?...

Why does grep return lines in the middle of the string when I expect it to be anchored at the beginn...

Date arithmetic not working properly in macos bash...

Grep with a regex character range that includes the NULL character...

lesskey config does not get used by less pager when used with git on OSX...

Steps to use npm package (react-transition-group) under bsd-3-clause...

Why does the doubly linked list in sys/queue.h maintain the address of previous next element?...

How do I determine the target architecture of static library (.a) on Mac OS X?...

BSD socket header...

System Calls: UNIX, Linux, BSD and Solaris variations...