% ls -l *(e:'nt /reference/file':)
```
-: **peval()**
-Evaluates a perl expression; useful as command line
-calculator, therefore also available as "calc".
-
: **profile()**
Runs a command in $SHELL with profiling enabled (See startup variable
ZSH_PROFILE_RC above).
/etc/apt/sources.list. An update should always be performed before an
upgrade or dist-upgrade; run by sudo, if necessary.
-: **calc** (//peval//)
-Evaluates a perl expression (see peval() above); useful as a command line
-calculator.
-
: **CH** (//./configure --help//)
Lists available compilation options for building program from source.