help	Tcl help facility.
tcl/control/commandloop	Create an interactive command loop or event based command reader.
tcl/control/loop	Higher-performance for-style loop.
tcl/control/tclx_errorHandler	Command to handle Uncaught errors.
tcl/debug/cmdtrace	Trace Tcl execution.
tcl/debug/edprocs	Edit named procs, or all procs.
tcl/debug/profile	Collect Tcl script performance profile data.
tcl/debug/profrep	Generate a report from data collect from the profile command.
tcl/debug/saveprocs	Save named procs to a file, or all procs.
tcl/events/mainloop	Setup a top-level event loop.
tcl/files/chgrp	Change file group.
tcl/files/chmod	Set file permissions.
tcl/files/chown	Change file owner and/or group.
tcl/files/chroot	Change root directory.
tcl/files/copyfile	Copy the remainder of one open file into another.
tcl/files/dup	Duplicate an open file
tcl/files/echo	Echo one or more strings to stdout, followed by a newline.
tcl/files/fcntl	Get or set file access options for an open file.
tcl/files/flock	Lock all or part of a file.
tcl/files/for_file	Do a foreach-style loop on each line in a file.
tcl/files/for_recursive_glob	A foreach-style loop for all matched (globbed) files.
tcl/files/fstat	Obtain status information about an open file.
tcl/files/ftruncate	Truncate a file to a specified size.
tcl/files/funlock	Remove a lock from part or all of a file.
tcl/files/lgets	Read a list for a file, handles embedded newlines.
tcl/files/link	Create a link to a file.
tcl/files/pipe	Create a pipe.
tcl/files/read_file	Read in a file to a string.
tcl/files/readdir	Read the contents of a directory.
tcl/files/recursive_glob	Recursive filename matching (globbing).
tcl/files/select	Synchronous I/O multiplexing.
tcl/files/sync	Force a file or all files to be written to disk.
tcl/files/write_file	Write strings out to a file.
tcl/filescan/scancontext	Manage file scan contexts.
tcl/filescan/scanfile	Scan a file, executing match code when their patterns are matched.
tcl/filescan/scanmatch	Specify tcl code to execute when scanfile pattern is matched.
tcl/internation/catclose	Close a message catalog.
tcl/internation/catgets	Retrieve a message from a message catalog.
tcl/internation/catopen	Open a message catalog.
tcl/intro/keyedlists	Introduction to keyed lists
tcl/keyedlists/keyldel	Delete a field of a keyed list.
tcl/keyedlists/keylget	Get the value of a field of a keyed list.
tcl/keyedlists/keylkeys	Get the keys in a keyed list.
tcl/keyedlists/keylset	Set the value of a field of a keyed list.
tcl/libraries/auto_commands	List names of loadable library commands and procedures.
tcl/libraries/auto_load	Force an autoload of a command.
tcl/libraries/auto_load_file	Search the auto_path for a file to source.
tcl/libraries/auto_packages	List all packages.
tcl/libraries/buildpackageindex	Build index files for package libraries.
tcl/libraries/convert_lib	Convert an Ousterhout style tclIndex file to a package library.
tcl/libraries/loadlibindex	Load the index of a package library
tcl/libraries/packagelib	Tcl loadable libraries and packages.
tcl/libraries/searchpath	Search a path list for a file.
tcl/lists/intersect	Return a list containing every element present in both lists.
tcl/lists/intersect3	Return three lists from an intersection of two lists.
tcl/lists/lassign	Assign successive elements of a list to specified variables.
tcl/lists/lcontain	Determine if a list contains an element.
tcl/lists/lempty	Determine if a list is empty. 
tcl/lists/lmatch	Return a list of elements from a list that match a pattern
tcl/lists/lrmdups	Given a list, remove all of the duplicated elements.
tcl/lists/lvarcat	Concatenate the contents lists or strings into a variable
tcl/lists/lvarpop	Pop or replace the specified element from a list.
tcl/lists/lvarpush	Push or insert the an element into a list.
tcl/lists/union	Return the logical union of two lists.
tcl/math/fmathcmds	Command interfaces to the expr math functions (sin, cos, tan, etc).
tcl/math/max	Return the argument that has the highest numeric value.
tcl/math/min	Return the argument that has the lowest numeric value.
tcl/math/random	Return a pseudorandom integer or set the seed.
tcl/processes/execl	Perform a process exec, executing a file.
tcl/processes/fork	Fork the current Tcl process.
tcl/processes/kill	Send a signal to the specified process.
tcl/processes/nice	Change or return the process priority.
tcl/processes/system	Execute command via `system' call.
tcl/processes/wait	Wait for a child process to terminate.
tcl/signals/signal	Specify action to take when a signal is received.
tcl/sockets/host_info	Obtain information about an internet host.
tcl/status/dirs	List the directories in the directory stack.
tcl/status/id	Access, set or convert process, user and group information.
tcl/status/infox	Return information about Extended Tcl, or the current application.
tcl/status/popd	Pop a directory from a stack of directories and cd to it.
tcl/status/pushd	Push a directory to a stack of directories.
tcl/status/showproc	List the definition of the named procedure.
tcl/status/umask	Get or set the file-creation mode mask.
tcl/strings/ccollate	String comparison command (include localized collation).
tcl/strings/cconcat	Concatenate strings.
tcl/strings/cequal	String equality convenience command.
tcl/strings/cindex	Return indexed character from string.
tcl/strings/clength	Return length of specified string.
tcl/strings/crange	Return range of characters from string.
tcl/strings/csubstr	Return a substring from within a string.
tcl/strings/ctoken	Parse a token from a character string.
tcl/strings/ctype	Determine if a string has various characteristics.
tcl/strings/replicate	Replicate string a number of times.
tcl/strings/translit	Translate characters in a string according to patterns.
tcl/tclshell/intro	Introduction to the tcl shell.
tcl/tclshell/variables	Tcl shell variables.
tcl/time/alarm	Set a process alarm clock.
tcl/time/sleep	Sleep for the specified number of seconds.
tcl/time/times	Get process and child execution times.
tcl/variables/for_array_keys	Do a foreach-style loop on each key in an array.
