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cat: Concatenate and write files
tac: Concatenate and write files in reverse
nl: Number lines and write files
od: Write files in octal or other formats
fmt: Reformat paragraph text
pr: Paginate or columnate files for printing
fold: Wrap input lines to fit in specified width
head: Output the first part of files
tail: Output the last part of files
split: Split a file into fixed-size pieces
csplit: Split a file into context-determined pieces
wc: Print byte, word, and line counts
sum: Print checksum and block counts
cksum: Print CRC checksum and byte counts
md5sum: Print or check message-digests
sort: Sort text files
uniq: Uniquify files
comm: Compare two sorted files line by line
tsort: Topological sort
tsort: Background
ptx: Produce permuted indexes
ptx
cut: Print selected parts of lines
paste: Merge lines of files
join: Join lines on a common field
tr: Translate, squeeze, and/or delete characters
expand: Convert tabs to spaces
unexpand: Convert spaces to tabs
ls: List directory contents
dir: Briefly list directory contents
vdir: Verbosely list directory contents
dircolors: Color setup for ls
cp: Copy files and directories
dd: Convert and copy a file
install: Copy files and set attributes
mv: Move (rename) files
rm: Remove files or directories
shred: Remove files more securely
link: Make a hard link via the link syscall
ln: Make links between files
mkdir: Make directories
mkfifo: Make FIFOs (named pipes)
mknod: Make block or character special files
rmdir: Remove empty directories
unlink: Remove files via the unlink syscall
chown: Change file owner and group
chgrp: Change group ownership
chmod: Change access permissions
touch: Change file timestamps
df: Report filesystem disk space usage
du: Estimate file space usage
stat: Report file or filesystem status
sync: Synchronize data on disk with memory
echo: Print a line of text
printf: Format and print data
yes: Print a string until interrupted
false: Do nothing, unsuccessfully
true: Do nothing, successfully
test: Check file types and compare values
test
expr: Evaluate expressions
expr
expr
tee: Redirect output to multiple files
basename: Strip directory and suffix from a file name
dirname: Strip non-directory suffix from a file name
pathchk: Check file name portability
pwd: Print working directory
stty: Print or change terminal characteristics
printenv: Print all or some environment variables
tty: Print file name of terminal on standard input
id: Print real and effective uid and gid
logname: Print current login name
whoami: Print effective user id
groups: Print group names a user is in
users: Print login names of users currently logged in
who: Print who is currently logged in
date: Print or set system date and time
date
date
uname: Print system information
hostname: Print or set system name
hostid: Print numeric host identifier.
chroot: Run a command with a different root directory
env: Run a command in a modified environment
nice: Run a command with modified scheduling priority
nohup: Run a command immune to hangups
su: Run a command with substitute user and group id
kill: Send a signal to processes
sleep: Delay for a specified time
factor: Print prime factors
seq: Print numeric sequences
getdate
who Command
cut Command
sort Command
uniq Command
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