Collection:GNU Core Utilities

The GNU Core Utilities are the basic file, shell and text manipulation utilities of the GNU Operating System. This package is the union of the GNU fileutils, sh-utils, and textutils packages, each one contains a set of programs. All have been combined into the GNU Coreutils package.

Here is a list we can use a starting point to generate new items on this page.

arch 

Print machine hardware name.

base64 

Base64 encode/decode data.

basename 

Strip directory and suffix.

cat 

Concatenate and write files.

chcon 

Change SELinux CTX of files.

chgrp 

Change file groups.

chmod 

Change access permissions.

chown 

Change file owners and groups.

chroot 

Specify the root directory.

cksum 

Print POSIX CRC checksum.

comm 

Compare sorted files by line.

coreutils 

Multi-call program.

cp 

Copy files.

csplit 

Split by context.

cut 

Print selected parts of lines.

date 

Print/set system date and time.

dd 

Copy and convert a file.

df 

Report file system disk usage.

dir 

List directories briefly.

dircolors 

Color setup for ls.

dirname 

Strip last file name component.

du 

Report on disk usage.

echo 

Print a line of text.

env 

Modify the environment.

expand 

Convert tabs to spaces.

expr 

Evaluate expressions.

factor 

Print prime factors

false 

Do nothing, unsuccessfully.

fmt 

Reformat paragraph text.

fold 

Wrap long input lines.

groups 

Print group names a user is in.

head 

Output the first part of files.

hostid 

Print numeric host identifier.

hostname 

Print or set system name.

id 

Print user identity.

install 

Copy files and set attributes.

join 

Join lines on a common field.

kill 

Send a signal to processes.

link 

Make hard links between files.

ln 

Make links between files.

logname 

Print current login name.

ls 

List directory contents.

md5sum 

Print or check MD5 digests.

mkdir 

Create directories.

mkfifo 

Create FIFOs (named pipes).

mknod 

Create special files.

mktemp 

Create temporary files.

mv 

Rename files.

nice 

Modify niceness.

nl 

Number lines and write files.

nohup 

Immunize to hangups.

nproc 

Print the number of processors.

numfmt 

Reformat numbers.

od 

Dump files in octal, etc.

paste 

Merge lines of files.

pathchk 

Check file name portability.

pr 

Paginate or columnate files.

printenv 

Print environment variables.

printf 

Format and print data.

ptx 

Produce permuted indexes.

pwd 

Print working directory.

readlink 

Print referent of a symlink.

realpath 

Print resolved file names.

rm 

Remove files.

rmdir 

Remove empty directories.

runcon 

Run in specified SELinux CTX.

seq 

Print numeric sequences

sha1sum 

Print or check SHA-1 digests.

sha2 

Print or check SHA-2 digests.

shred 

Remove files more securely.

shuf 

Shuffling text files.

sleep 

Delay for a specified time.

sort 

Sort text files.

split 

Split into pieces.

stat 

Report file(system) status.

stdbuf 

Modify stdio buffering.

stty 

Print/change terminal settings.

sum 

Print traditional checksum.

sync 

Synchronize memory and disk.

tac 

Reverse files.

tail 

Output the last part of files.

tee 

Redirect to multiple files.

test 

File/string tests.

timeout 

Run with time limit.

touch 

Change file timestamps.

tr 

Translate characters.

true 

Do nothing, successfully.

truncate 

Shrink/extend size of a file.

tsort 

Topological sort.

tty 

Print terminal name.

uname 

Print system information.

unexpand 

Convert spaces to tabs.

uniq 

Uniquify files.

unlink 

Removal via unlink(2).

uptime 

Print uptime and load.

users 

Print current user names.

vdir 

List directories verbosely.

wc 

Line, word, and byte counts.

who 

Print who is logged in.

whoami 

Print effective user ID.

yes 

Print a string indefinitely.