New posts in Portability

What's the safest, most portable way to invoke the echo binary?

stat: modification timestamp of a file

Are /dev/{udp,tcp} standardized or available everywhere?

Are binaries portable across different CPU architectures?

Portable POSIX shell alternative to GNU seq(1)?

sending output to /dev/stderr vs. >&2

checkbashisms-compliant way to determine the current shell

Is the "$?" (dollar-question mark) variable available only in the Bash shell?

How to execute an arbitrary simple command over ssh without knowing the login shell of the remote user?

How can I safely get the version of ksh?