cdd1d13079
- Added support for extended ps format specifiers including tpgid, ruid, rgid, egid, pri, flags, min_flt, maj_flt, times, sz, s, ruser, rgroup, and tgid. - Implemented group name resolution via `getgrgid_r` on Unix platforms. - Suppressed broken pipe diagnostic output in the tail builtin to match standard tail behavior on downstream closure.