From mboxrd@z Thu Jan 1 00:00:00 1970 From: rudi.j.blom@gmail.com (Rudi Blom) Date: Fri, 15 Jul 2016 11:29:40 +0700 Subject: [TUHS] Shell control through external commands Message-ID: Just for the fun of it results on a few UNIX versions Intel - SCO UNIX 3.2V4.2 /bin/true: empty file /bin/false: contains "exit 255" > file $(which true) $(which false) Alpha - Digital Unix 4.0G /usr/bin/true: COFF format alpha dynamically linked, demand paged executable or object module stripped - version 3.11-10 /usr/bin/false: COFF format alpha dynamically linked, demand paged executable or object module stripped - version 3.11-10 Alpha - Tru64 V5.1B /usr/bin/true: COFF format alpha dynamically linked, demand paged executable or object module stripped - version 3.13-14 /usr/bin/false: COFF format alpha dynamically linked, demand paged executable or object module stripped - version 3.13-14 Itanium - HP-UX 11i B.11.23 & HP-UX 11i B.11.31 /sbin/true: ELF-32 executable object file - IA64 /sbin/false: ELF-32 executable object file - IA64