TODO.md

TODO

Roadmap

Feature	Description
Keyboard Input	Implement keyboard input handling for user interaction.
File System	Implement a basic file system for storing and accessing files on storage devices.
Basic Shell	Create a simple command-line interface (shell) for user interaction.
Process Management	Implement a basic process scheduler and management system.
Multitasking	Enable multitasking to run multiple processes concurrently.
User Mode	Differentiate between kernel mode and user mode, with privilege levels.
Device Drivers	Develop drivers for essential hardware components (e.g., keyboard, screen, disk).
System Calls	Implement system calls to allow user programs to interact with the kernel.
Interrupt Timer	Set up a timer interrupt for scheduling and system timekeeping.
Signals and IPC	Implement inter-process communication (IPC) mechanisms and signals.
Thread Management	Add support for multithreading and thread synchronization.
User Programs	Develop user-space programs and libraries for your OS.
Networking	Implement basic networking functionality (e.g., sockets, TCP/IP stack).
User Authentication	Add user authentication and permissions handling.
Error Handling	Implement robust error handling throughout the OS.
Graphics Support	Add graphics support if necessary (e.g., for GUI applications).
Power Management	Include power management features, like sleep and hibernation.
Debugging Tools	Create debugging tools and logs for troubleshooting.
System Information	Develop functions to retrieve system information and statistics.
Security	Add security mechanisms to protect against common threats.
The Sacred Ritual	Make it run DOOM.

Programs to port

Program	Description
arch	Print machine architecture.
ash	A lightweight shell.
b2sum	Compute and check BLAKE2 message digest.
base32	Base32 encode or decode FILE, or standard input, to standard output.
base64	Base64 encode or decode FILE, or standard input, to standard output.
basename	Strip directory and suffix from filenames.
basenc	Base16, Base32, Base58, Base64, Base85 data encoding and decoding.
cat	Concatenate FILE(s), or standard input, to standard output.
chcon	Change SELinux security context of file FILE to CONTEXT.
chgrp	Change the group ownership of files.
chmod	Change the mode of each FILE to MODE.
chown	Change the owner and/or group of each FILE to OWNER and/or GROUP.
chroot	Run COMMAND with root directory set to NEWROOT.
cksum	Print CRC checksum and byte counts.
comm	Compare two sorted files line by line.
cp	Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.
csplit	Split a file into sections determined by context lines.
cut	Print selected parts of lines from each FILE to standard output.
date	Print or set the system date and time.
dd	Copy a file, converting and formatting according to the operands.
df	Report file system disk space usage.
dir	List directory contents.
dircolors	Color setup for ls.
dirname	Strip last component from file name.
du	Estimate file space usage.
echo	Write arguments to the standard output.
env	Run a program in a modified environment.
expand	Convert tabs to spaces.
expr	Evaluate expressions.
factor	Print prime factors.
false	Do nothing, unsuccessfully.
fmt	Reformat paragraph text.
fold	Wrap each input line to fit in specified width.
groups	Print the groups a user is in.
head	Output the first part of files.
hostid	Print the numeric identifier for the current host.
hostname	Print or set system name.
id	Print user and group IDs.
install	Copy files and set attributes.
join	Join lines of two files on a common field.
kill	Send a signal to a process.
link	Make links between files.
ln	Make links between files.
logname	Print current login name.
ls	List directory contents.
md5sum	Print or check MD5 (128-bit) checksums.
mkdir	Create directories.
mkfifo	Make FIFOs (named pipes).
mknod	Make block or character special files.
mktemp	Create a temporary file or directory.
mv	Move (rename) files.
nice	Run a program with modified scheduling priority.
nl	Number lines and write files.
nohup	Run a command immune to hangups, with output to a non-tty.
nproc	Print the number of processing units available.
numfmt	Reformat numbers.
od	Write an unambiguous representation, octal bytes by default, of FILE to standard output.
paste	Merge lines of files.
pathchk	Check whether file names are valid or portable.
pinky	Lightweight finger. Used to print user information.
pr	Convert text files for printing.
printenv	Print all or some environment variables.
printf	Format and print data.
ptx	Produce a permuted index of file contents.
pwd	Print working directory.
readlink	Print resolved symbolic links or canonical file names.
realpath	Print the resolved path.
rm	Remove files or directories.
rmdir	Remove empty directories.
runcon	Run COMMAND with a specified security context.
seq	Print a sequence of numbers.
sha1sum	Print or check SHA1 (160-bit) checksums.
sha224sum	Print or check SHA224 (224-bit) checksums.
sha256sum	Print or check SHA256 (256-bit) checksums.
sha384sum	Print or check SHA384 (384-bit) checksums.
sha512sum	Print or check SHA512 (512-bit) checksums.
shred	Overwrite a file to hide its contents, and optionally delete it.
shuf	Shuffle text.
sleep	Delay for a specified amount of time.
sort	Sort lines of text files.
split	Split a file into pieces.
stat	Display file or file system status.
stdbuf	Run COMMAND, with modified buffering operations for its standard streams.
stty	Print or change terminal characteristics.
sum	Print checksum and block counts for each FILE.
sync	Synchronize data on disk with memory.
tac	Concatenate and print files in reverse.
tail	Output the last part of files.
tee	Read from standard input and write to standard output and files.
test	Check file types and compare values.
timeout	Run a command with a time limit.
touch	Change file timestamps, or create a file if it does not exist.
tr	Translate, squeeze, and/or delete characters.
true	Do nothing, successfully.
truncate	Shrink or extend the size of a file to the specified size.
tsort	Topological sort.
tty	Print the file name of the terminal connected to standard input.
uname	Print system information.
unexpand	Convert spaces to tabs.
uniq	Omit repeated lines from input.
unlink	Remove files.
uptime	Print system uptime and load.
users	Print the user names of users currently logged in to the current host.
vdir	List directory contents.
wc	Print newline, word, and byte counts for each FILE.
who	Print who is currently logged in.
whoami	Print effective userid.
yes	Print a string until interrupted.