Disable(category23-linux-links.html) - phpMan

fedisableexcept (3)  - floating-point rounding and exception handling
Opcode (3pm)         - Disable named opcodes when compiling perl code
pam_tty_audit (8)    - Enable or disable TTY auditing for specified users
reboot (2)           - reboot or enable/disable Ctrl-Alt-Del
s390_runtime_instr (2) - enable/disable s390 CPU run-time instrumentation
swapoff (8)          - enable/disable devices and files for paging and swapping
swapon (8)           - enable/disable devices and files for paging and swapping
utf8 (3pm)           - Perl pragma to enable/disable UTF-8 (or UTF-EBCDIC) in...