| ActiveTcl User Guide |

## Tcl/Tk Documentation > Tcl Commands

### Tcl/Tk Applications | Tcl Commands | Tk Commands | Tcl Library | Tk Library

after | error | lappend | platform | tcl_findLibrary
append | eval | lassign | platform::shell | tcl_startOfNextWord
apply | exec | lindex | proc | tcl_startOfPreviousWord
array | exit | linsert | puts | tcl_wordBreakAfter
auto_execok | expr | list | pwd | tcl_wordBreakBefore
auto_import | fblocked | llength | re_syntax | tcltest
auto_load | fconfigure | load | read | tclvars
auto_mkindex | fcopy | lrange | refchan | tell
auto_mkindex_old | file | lrepeat | regexp | time
auto_qualify | fileevent | lreplace | registry | tm
auto_reset | filename | lreverse | regsub | trace
bgerror | flush | lsearch | rename | unknown
binary | for | lset | return | unload
break | foreach | lsort | Safe Base | unset
catch | format | mathfunc | scan | update
cd | gets | mathop | seek | uplevel
chan | glob | memory | set | upvar
clock | global | msgcat | socket | variable
close | history | namespace | source | vwait
concat | http | open | split | while
continue | if | package | string
dde | incr | parray | subst
dict | info | pid | switch
encoding | interp | pkg::create | Tcl
eof | join | pkg_mkIndex | tcl_endOfWord

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