trl(glossar.html) - phpMan

ctrlaltdel (8)       - set the function of the Ctrl-Alt-Del combination
getrlimit (2)        - get/set resource limits
getrlimit (3p)       - control maximum resource consumption
iscntrl (3)          - character classification routines
iscntrl (3p)         - test for a control character
iswcntrl (3)         - test for control wide character
iswcntrl (3p)        - test for a control wide-character code
reboot (2)           - reboot or enable/disable Ctrl-Alt-Del
setrlimit (2)        - get/set resource limits
vlimit (3)           - get/set resource limits
setrlimit (3p)       - control maximum resource consumption
strlen (3)           - calculate the length of a string
strlen (3p)          - get string length
ugetrlimit (2)       - get/set resource limits