coreutils

A collection of general software utilities commonly found on UNIX systems.

Utilities

Utility	Description	Standard
base64*	Base64 encode or decode data
basename	Return non-directory portion of a path	POSIX
cat	Concatenate and print files	POSIX
chmod	Change the file modes	POSIX
cksum	Write file checksums and sizes	POSIX
cp	Copy files	POSIX
dirname	Return the directory portion of a path	POSIX
echo	Write arguments to standard output	POSIX
env	Execute with an altered enviroment	POSIX
false	Return false value	POSIX
head	Output the first part of files	POSIX
id*	Return user identity	POSIX
link	Create a link to a file	POSIX
logname	Return the user's login name	POSIX
mkdir	Make directories	POSIX
nice	Invoke with an altered nice value	POSIX
orphan	Invoke a command as an orphan
od*	Dump files in various formats	POSIX
pwd	Print working directory	POSIX
rand	Generate random string
realpath	Resolve an absolute pathname
relogin	Invoke a command as a specified user
rmdir	Remove directories	POSIX
sleep	Suspend execution for an interval	POSIX
sum	Write file checksums and block counts
sync	Synchronise file system caches to disk
tee	Duplicate standard input	POSIX
time	Time a simple command	POSIX
touch	Change file access and modify times	POSIX
true	Return true value	POSIX
tty	Return user's terminal name	POSIX
uname	Return system name	POSIX
unlink	Remove a file using the unlink function	POSIX
wc	Word, line, and byte or character count	POSIX
yes	Output a string repeatedly

• Utilities marked with an asterisk ('*') may be incomplete or non-complaint.

Usage

coreutils is being developed on x86-64 Linux, and is untested elsewhere.

Dependencies

• CMake >= 3.14, to build

Building

To build coreutils on UNIX, run BuildUNIX.sh.

Running

For information on each utility see its respective manpage or use the --help option.

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Copyright (C) 2020, Jakob Wakeling
MIT Licence