List of Command-Line Tools
This is an overview of all the command-line tools discussed in this book. This includes binary executables, interpreted scripts, and Z Shell builtins and keywords. For each command-line tool, the following information, when available and appropriate, is provided:
- The actual command to type at the command line
- A description
- The version used in the book
- The year that version was released
- The primary author(s)
- A website to find more information
- How to obtain help
- An example usage
All command-line tools listed here are included in the Docker image. See Chapter 2 for instructions on how to set it up. Please note that citing open source software is not trivial, and that some information may be missing or incorrect.
alias
Define or display aliases.
alias
is a Z shell builtin.
$ type alias alias is a shell builtin $ man zshbuiltins | grep -A 10 alias $ alias l l='ls --color -lhF --group-directories-first' $ alias python=python3
awk
Pattern scanning and text processing language.
awk
(version 1.3.4)
by Mike D. Brennan and Thomas E. Dickey (2019).
More information: https://invisible-island.net/mawk.
$ type awk awk is /usr/bin/awk $ man awk $ seq 5 | awk '{sum+=$1} END {print sum}' 15
aws
Unified tool to manage AWS services.
aws
(version 2.1.32)
by Amazon Web Services (2021).
More information: https://aws.amazon.com/cli.
$ type aws aws is /usr/local/bin/aws $ aws --help
bash
GNU Bourne-Again SHell.
bash
(version 5.0.17)
by Brian Fox and Chet Ramey (2019).
More information: https://www.gnu.org/software/bash.
$ type bash bash is /usr/bin/bash $ man bash
bat
A cat clone with syntax highlighting and Git integration.
bat
(version 0.18.0)
by David Peter (2021).
More information: https://github.com/sharkdp/bat.
$ type bat bat is an alias for bat --tabs 8 --paging never $ man bat
bc
An arbitrary precision calculator language.
bc
(version 1.07.1)
by Philip A. Nelson (2017).
More information: https://www.gnu.org/software/bc.
$ type bc bc is /usr/bin/bc $ man bc $ bc -l <<< 'e(1)' 2.71828182845904523536
body
Apply command to all but the first line.
body
(version 0.1)
by Jeroen Janssens (2021).
More information: https://github.com/jeroenjanssens/dsutils.
$ type body body is /usr/bin/dsutils/body $ seq 10 | header -a 'values' | body shuf values 3 7 10 9 5 4 6 8 2 1
cat
Concatenate files and print on the standard output.
cat
(version 8.30)
by Torbjorn Granlund and Richard M. Stallman (2018).
More information: https://www.gnu.org/software/coreutils.
$ type cat cat is /usr/bin/cat $ man cat $ cat *.log > all.log
cd
Change the shell working directory.
cd
is a Z shell builtin.
$ type cd cd is a shell builtin $ man zshbuiltins | grep -A 10 cd $ cd ~ $ pwd /home/dst $ cd .. $ pwd /home $ cd /data/ch01 cd: no such file or directory: /data/ch01
chmod
Change file mode bits.
chmod
(version 8.30)
by David MacKenzie and Jim Meyering (2018).
I use chmod in Chapter 4 to make a tool executable.
More information: https://www.gnu.org/software/coreutils.
$ type chmod chmod is /usr/bin/chmod $ man chmod $ chmod u+x script.sh
cols
Apply command to subset of columns.
cols
(version 0.1)
by Jeroen Janssens (2021).
More information: https://github.com/jeroenjanssens/dsutils.
$ type cols cols is /usr/bin/dsutils/cols
column
Columnate lists.
column
(version 2.36.1)
by Karel Zak (2021).
More information: https://www.kernel.org/pub/linux/utils/util-linux.
$ type column column is /usr/bin/column
cowsay
Configurable speaking cow.
cowsay
(version 3.0.3)
by Tony Monroe (1999).
More information: https://github.com/tnalpgge/rank-amateur-cowsay.
$ type cowsay cowsay is /usr/bin/cowsay $ man cowsay $ echo 'The command line is awesome!' | cowsay ______________________________ < The command line is awesome! > ------------------------------ \ ^__^ \ (oo)\_______ (__)\ )\/\ ||----w | || ||
cp
Copy files and directories.
cp
(version 8.30)
by Torbjorn Granlund, David MacKenzie, and Jim Meyering (2018).
More information: https://www.gnu.org/software/coreutils.
$ type cp cp is /usr/bin/cp $ man cp $ cp -r ~/Downloads/*.xlsx /data
csv2vw
Convert CSV to Vowpal Wabbit format.
csv2vw
(version 0.1)
by Jeroen Janssens (2021).
More information: https://github.com/jeroenjanssens/dsutils.
$ type csv2vw csv2vw is /usr/bin/dsutils/csv2vw
csvcut
Filter and truncate CSV files.
csvcut
(version 1.0.5)
by Christopher Groskopf (2020).
More information: https://csvkit.rtfd.org.
$ type csvcut csvcut is /usr/bin/csvcut $ csvcut --help $ csvcut -c bill,tip /data/ch05/tips.csv | trim bill,tip 16.99,1.01 10.34,1.66 21.01,3.5 23.68,3.31 24.59,3.61 25.29,4.71 8.77,2.0 26.88,3.12 15.04,1.96 … with 235 more lines
csvgrep
Search CSV files.
csvgrep
(version 1.0.5)
by Christopher Groskopf (2020).
More information: https://csvkit.rtfd.org.
$ type csvgrep csvgrep is /usr/bin/csvgrep $ csvgrep --help
csvjoin
Execute a SQL-like join to merge CSV files on a specified column or columns.
csvjoin
(version 1.0.5)
by Christopher Groskopf (2020).
More information: https://csvkit.rtfd.org.
$ type csvjoin csvjoin is /usr/bin/csvjoin $ csvjoin --help
csvlook
Render a CSV file in the console as a Markdown-compatible, fixed-width table.
csvlook
(version 1.0.5)
by Christopher Groskopf (2020).
More information: https://csvkit.rtfd.org.
$ type csvlook csvlook is a shell function $ csvlook --help $ csvlook /data/ch05/tips.csv │ bill │ tip │ sex │ smoker │ day │ time │ size │ ├───────┼───────┼────────┼────────┼──────┼────────┼──────┤ │ 16.99 │ 1.01 │ Female │ False │ Sun │ Dinner │ 2 │ │ 10.34 │ 1.66 │ Male │ False │ Sun │ Dinner │ 3 │ │ 21.01 │ 3.50 │ Male │ False │ Sun │ Dinner │ 3 │ │ 23.68 │ 3.31 │ Male │ False │ Sun │ Dinner │ 2 │ │ 24.59 │ 3.61 │ Female │ False │ Sun │ Dinner │ 4 │ │ 25.29 │ 4.71 │ Male │ False │ Sun │ Dinner │ 4 │ │ 8.77 │ 2.00 │ Male │ False │ Sun │ Dinner │ 2 │ │ 26.88 │ 3.12 │ Male │ False │ Sun │ Dinner │ 4 │ … with 236 more lines
csvquote
Enable common unix utlities to work correctly with CSV data.
csvquote
(version 0.1)
by Dan Brown (2018).
More information: https://github.com/dbro/csvquote.
$ type csvquote csvquote is /usr/local/bin/csvquote
csvsort
Sort CSV files.
csvsort
(version 1.0.5)
by Christopher Groskopf (2020).
More information: https://csvkit.rtfd.org.
$ type csvsort csvsort is /usr/bin/csvsort $ csvsort --help
csvsql
Execute SQL statements on CSV files.
csvsql
(version 1.0.5)
by Christopher Groskopf (2020).
More information: https://csvkit.rtfd.org.
$ type csvsql csvsql is /usr/bin/csvsql $ csvsql --help
csvstack
Stack up the rows from multiple CSV files.
csvstack
(version 1.0.5)
by Christopher Groskopf (2020).
More information: https://csvkit.rtfd.org.
$ type csvstack csvstack is /usr/bin/csvstack $ csvstack --help
csvstat
Print descriptive statistics for each column in a CSV file.
csvstat
(version 1.0.5)
by Christopher Groskopf (2020).
More information: https://csvkit.rtfd.org.
$ type csvstat csvstat is /usr/bin/csvstat $ csvstat --help
curl
Transfer a URL.
curl
(version 7.68.0)
by Daniel Stenberg (2016).
More information: https://curl.haxx.se.
$ type curl curl is /usr/bin/curl $ man curl
cut
Remove sections from each line of files.
cut
(version 8.30)
by David M. Ihnat, David MacKenzie, and Jim Meyering (2019).
More information: https://www.gnu.org/software/coreutils.
$ type cut cut is /usr/bin/cut $ man cut
display
Displays an image or image sequence on any X server.
display
(version 6.9.10-23)
by ImageMagick Studio LLC (2019).
More information: https://imagemagick.org.
$ type display display is a shell function
dseq
Generate sequence of dates.
dseq
(version 0.1)
by Jeroen Janssens (2021).
More information: https://github.com/jeroenjanssens/dsutils.
$ type dseq dseq is /usr/bin/dsutils/dseq $ dseq 3 2021-12-15 2021-12-16 2021-12-17
echo
Display a line of text.
echo
(version 8.30)
by Brian Fox and Chet Ramey (2019).
Useful for using literal text as standard input to the next tool.
More information: https://www.gnu.org/software/coreutils.
$ type echo echo is a shell builtin $ man echo $ echo Hippopotomonstrosesquippedaliophobia | cowsay ______________________________________ < Hippopotomonstrosesquippedaliophobia > -------------------------------------- \ ^__^ \ (oo)\_______ (__)\ )\/\ ||----w | || || $ echo -n Hippopotomonstrosesquippedaliophobia | wc -c 36
env
Run a program in a modified environment.
env
(version 8.30)
by Richard Mlynarik, David MacKenzie, and Assaf Gordon (2018).
More information: https://www.gnu.org/software/coreutils.
$ type env env is /usr/bin/env $ man env
export
Set export attribute for shell variables. Useful for making shell variables available to other command-line tools..
export
is a Z shell builtin.
$ type export export is a reserved word $ man zshbuiltins | grep -A 10 export $ export PATH="$PATH:$HOME/bin"
fc
Control the interactive history mechanism.
fc
is a Z shell builtin.
I use fc in Chapter 4 to edit the command in nano.
$ type fc fc is a shell builtin $ man zshbuiltins | grep -A 10 '^ *fc '
find
Search for files in a directory hierarchy.
find
(version 4.7.0)
by Eric B. Decker, James Youngman, and Kevin Dalley (2019).
More information: https://www.gnu.org/software/findutils.
$ type find find is /usr/bin/find $ man find $ find /data -type f -name '*.csv' -size -3 /data/ch03/tmnt-basic.csv /data/ch03/tmnt-missing-newline.csv /data/ch03/tmnt-with-header.csv /data/ch05/irismeta.csv /data/ch05/names-comma.csv /data/ch05/names.csv /data/ch07/datatypes.csv
fold
Wrap each input line to fit in specified width.
fold
(version 8.30)
by David MacKenzie (2020).
More information: https://www.gnu.org/software/coreutils.
$ type fold fold is /usr/bin/fold $ man fold
for
Execute commands for each member in a list.
for
is a Z shell builtin.
In Chapter 8, I discuss the advantages of using parallel instead of for.
$ type for for is a reserved word $ man zshmisc | grep -EA 10 '^ *for ' $ for i in {A..C} "It's easy as" {1..3}; do echo $i; done A B C It's easy as 1 2 3
fx
Interactive JSON viewer.
fx
(version 20.0.2)
by Anton Medvedev (2020).
More information: https://github.com/antonmedv/fx.
$ type fx fx is /usr/local/bin/fx $ fx --help $ echo '[1,2,3]' | fx 'this.map(x => x * 2)' [ 2, 4, 6 ]
git
The stupid content tracker.
git
(version 2.25.1)
by Linus Torvalds and Junio C. Hamano (2021).
More information: https://git-scm.com.
$ type git git is /usr/bin/git $ man git
grep
Print lines that match patterns.
grep
(version 3.4)
by Jim Meyering (2019).
More information: https://www.gnu.org/software/grep.
$ type grep grep is /usr/bin/grep $ man grep $ seq 100 | grep 3 | wc -l 19
gron
Make JSON greppable.
gron
(version 0.6.1)
by Tom Hudson (2021).
More information: https://github.com/TomNomNom/gron.
$ type gron gron is /usr/bin/gron $ man gron
head
Output the first part of files.
head
(version 8.30)
by David MacKenzie and Jim Meyering (2019).
More information: https://www.gnu.org/software/coreutils.
$ type head head is /usr/bin/head $ man head $ seq 100 | head -n 5 1 2 3 4 5
header
Add, replace, and delete header lines.
header
(version 0.1)
by Jeroen Janssens (2021).
More information: https://github.com/jeroenjanssens/dsutils.
$ type header header is /usr/bin/dsutils/header
history
GNU History Library.
history
(version 8.1)
by Brian Fox and Chet Ramey (2020).
More information: https://www.gnu.org/software/bash.
$ type history history is a shell builtin
hostname
Show or set the system’s host name.
hostname
(version 3.23)
by Peter Tobias, Bernd Eckenfels, and Michael Meskes (2021).
More information: https://sourceforge.net/projects/net-tools/.
$ type hostname hostname is /usr/bin/hostname $ man hostname $ hostname 2c3edb64827b $ hostname -i 172.17.0.2
in2csv
Convert common, but less awesome, tabular data formats to CSV.
in2csv
(version 1.0.5)
by Christopher Groskopf (2020).
More information: https://csvkit.rtfd.org.
$ type in2csv in2csv is /usr/bin/in2csv $ in2csv --help
jq
Command-line JSON processor.
jq
(version 1.6)
by Stephen Dolan (2021).
More information: https://stedolan.github.com/jq.
$ type jq jq is /usr/bin/jq $ man jq
json2csv
Convert JSON to CSV.
json2csv
(version 1.2.1)
by Jehiah Czebotar (2019).
More information: https://github.com/jehiah/json2csv.
$ type json2csv json2csv is /usr/bin/json2csv $ json2csv --help
l
List directory contents in long format with directories grouped before files, human readable file sizes, and access permissions.
l
by Unknown (1999).
$ type l l is an alias for ls --color -lhF --group-directories-first $ cd /data/ch03 $ ls logs.tar.gz tmnt-basic.csv tmnt-with-header.csv r-datasets.db tmnt-missing-newline.csv top2000.xlsx $ l total 924K -rw-r--r-- 1 dst dst 627K Dec 14 12:03 logs.tar.gz -rw-r--r-- 1 dst dst 189K Dec 14 12:03 r-datasets.db -rw-r--r-- 1 dst dst 149 Dec 14 12:03 tmnt-basic.csv -rw-r--r-- 1 dst dst 148 Dec 14 12:03 tmnt-missing-newline.csv -rw-r--r-- 1 dst dst 181 Dec 14 12:03 tmnt-with-header.csv -rw-r--r-- 1 dst dst 91K Dec 14 12:03 top2000.xlsx
less
opposite of more.
less
(version 551)
by Mark Nudelman (2019).
More information: https://www.greenwoodsoftware.com/less.
$ type less less is an alias for less -R $ man less $ less README
ls
List directory contents.
ls
(version 8.30)
by Richard M. Stallman and David MacKenzie (2019).
More information: https://www.gnu.org/software/coreutils.
$ type ls ls is /usr/bin/ls $ man ls $ ls /data ch02 ch03 ch04 ch05 ch06 ch07 ch08 ch09 ch10 csvconf
make
A Program for Maintaining Computer Programs.
make
(version 4.3)
by Stuart I. Feldman (2020).
More information: https://www.gnu.org/software/make.
$ type make make is /usr/bin/make $ man make $ make sandwich
man
An interface to the system reference manuals.
man
(version 2.9.1)
by John W. Eaton and Colin Watson (2020).
More information: https://nongnu.org/man-db.
$ type man man is /usr/bin/man $ man man $ man excel No manual entry for excel
mkdir
Make directories.
mkdir
(version 8.30)
by David MacKenzie (2019).
More information: https://www.gnu.org/software/coreutils.
$ type mkdir mkdir is /usr/bin/mkdir $ man mkdir $ mkdir -p /data/ch{01..10}
mv
Move (rename) files.
mv
(version 8.30)
by Mike Parker, David MacKenzie, and Jim Meyering (2020).
More information: https://www.gnu.org/software/coreutils.
$ type mv mv is /usr/bin/mv $ man mv $ mv results{,.bak}
nano
Nano’s ANOther editor, inspired by Pico.
nano
(version 5.4)
by Benno Schulenberg, David Lawrence Ramsey, Jordi Mallach, Chris Allegretta, Robert Siemborski, and Adam Rogoyski (2020).
More information: https://nano-editor.org.
$ type nano nano is /usr/bin/nano
nl
Number lines of files.
nl
(version 8.30)
by Scott Bartram and David MacKenzie (2020).
More information: https://www.gnu.org/software/coreutils.
$ type nl nl is /usr/bin/nl $ man nl $ nl /data/ch05/alice.txt | head 1 Project Gutenberg's Alice's Adventures in Wonderland, by Lewis Carroll 2 3 This eBook is for the use of anyone anywhere at no cost and with 4 almost no restrictions whatsoever. You may copy it, give it away or 5 re-use it under the terms of the Project Gutenberg License included 6 with this eBook or online at www.gutenberg.org 7 8 9 Title: Alice's Adventures in Wonderland 10
parallel
Build and execute shell command lines from standard input in parallel.
parallel
(version 20161222)
by Ole Tange (2016).
More information: https://www.gnu.org/software/parallel.
$ type parallel parallel is /usr/bin/parallel $ man parallel $ seq 3 | parallel "echo Processing file {}.csv" Processing file 1.csv Processing file 2.csv Processing file 3.csv
paste
Merge lines of files.
paste
(version 8.30)
by David M. Ihnat and David MacKenzie (2019).
More information: https://www.gnu.org/software/coreutils.
$ type paste paste is /usr/bin/paste $ man paste $ paste -d, <(seq 5) <(dseq 5) 1,2021-12-15 2,2021-12-16 3,2021-12-17 4,2021-12-18 5,2021-12-19 $ seq 5 | paste -sd+ 1+2+3+4+5
pbc
Parallel bc.
pbc
by Jeroen Janssens (2021).
More information: https://github.com/jeroenjanssens/dsutils.
$ type pbc pbc is /usr/bin/dsutils/pbc $ seq 3 | pbc '{1}^2' 1 4 9
pip
A tool for installing and managing Python packages.
pip
(version 20.0.2)
by PyPA (2020).
More information: https://pip.pypa.io.
$ type pip pip is /usr/bin/pip $ man pip $ pip install pandas $ pip freeze | grep sci scikit-learn==0.24.2 scipy==1.7.0
pup
Parsing HTML at the command line.
pup
(version 0.4.0)
by Eric Chiang (2016).
More information: https://github.com/EricChiang/pup.
$ type pup pup is /usr/bin/pup $ pup --help
pwd
Print name of working directory.
pwd
(version 8.30)
by Jim Meyering (2019).
More information: https://www.gnu.org/software/coreutils.
$ type pwd pwd is a shell builtin $ man pwd $ cd ~ $ pwd /home/dst
python
An interpreted, interactive, object-oriented programming language.
python
(version 3.8.5)
by The Python Software Foundation (2021).
More information: https://www.python.org.
$ type python python is an alias for python3 $ man python
R
A Language and Environment for Statistical Computing.
R
(version 4.0.4)
by The R Foundation for Statistical Computing (2021).
More information: https://www.r-project.org.
$ type R R is /usr/bin/R $ man R
rev
Reverse lines characterwise.
rev
(version 2.36.1)
by Karel Zak (2021).
More information: https://www.kernel.org/pub/linux/utils/util-linux.
$ type rev rev is /usr/bin/rev $ echo 'Satire: Veritas' | rev satireV :eritaS $ echo 'Ça va?' | rev | cut -c 2- | rev Ça va
rm
Remove files or directories.
rm
(version 8.30)
by Paul Rubin, David MacKenzie, Richard M. Stallman, and Jim Meyering (2019).
More information: https://www.gnu.org/software/coreutils.
$ type rm rm is /usr/bin/rm $ man rm $ rm *.old
rush
R One-Liners from the Shell.
rush
(version 0.1)
by Jeroen Janssens (2021).
More information: https://github.com/jeroenjanssens/rush.
$ type rush rush is /usr/local/lib/R/site-library/rush/exec/rush $ rush --help $ rush run '6*7' 42 $ rush run --tidyverse 'filter(starwars, species == "Human") %>% select(name)' # A tibble: 35 x 1 name <chr> 1 Luke Skywalker 2 Darth Vader 3 Leia Organa 4 Owen Lars 5 Beru Whitesun lars 6 Biggs Darklighter 7 Obi-Wan Kenobi 8 Anakin Skywalker 9 Wilhuff Tarkin 10 Han Solo # … with 25 more rows
sample
Filter lines from standard input according to some probability, with a given delay, and for a certain duration.
sample
(version 0.2.4)
by Jeroen Janssens (2021).
More information: https://github.com/jeroenjanssens/sample.
$ type sample sample is /usr/local/bin/sample $ sample --help $ seq 1000 | sample -r 0.01 | trim 5 160 300 337 340 434 … with 6 more lines
scp
OpenSSH secure file copy.
scp
(version 1:8.2p1-4ubuntu0.2)
by Timo Rinne and Tatu Ylonen (2019).
More information: https://www.openssh.com.
$ type scp scp is /usr/bin/scp $ man scp
sed
Stream editor for filtering and transforming text.
sed
(version 4.7)
by Jay Fenlason, Tom Lord, Ken Pizzini, and Paolo Bonzini (2018).
More information: https://www.gnu.org/software/sed.
$ type sed sed is /usr/bin/sed $ man sed
seq
Print a sequence of numbers.
seq
(version 8.30)
by Ulrich Drepper (2019).
More information: https://www.gnu.org/software/coreutils.
$ type seq seq is /usr/bin/seq $ man seq $ seq 3 1 2 3 $ seq 10 5 20 10 15 20
servewd
Serve the current working directory using a simple HTTP server.
servewd
(version 0.1)
by Jeroen Janssens (2021).
More information: https://github.com/jeroenjanssens/dsutils.
$ type servewd servewd is /usr/bin/dsutils/servewd $ servewd --help $ cd /data && servewd 8000
shuf
Generate random permutations.
shuf
(version 8.30)
by Paul Eggert (2019).
More information: https://www.gnu.org/software/coreutils.
$ type shuf shuf is /usr/bin/shuf $ man shuf $ echo {a..z} | tr ' ' '\n' | shuf | trim 5 s a k x y … with 21 more lines $ shuf -i 1-100 | trim 5 61 60 5 92 10 … with 95 more lines
skll
SciKit-Learn Laboratory.
skll
(version 2.5.0)
by Educational Testing Service (2021).
The actual tool is run_experiment. I use the alias skll because I find that easier to remember.
More information: https://skll.readthedocs.org.
$ type skll skll is an alias for run_experiment $ skll --help
sort
Sort lines of text files.
sort
(version 8.30)
by Mike Haertel and Paul Eggert (2019).
More information: https://www.gnu.org/software/coreutils.
$ type sort sort is /usr/bin/sort $ man sort $ echo '3\n7\n1\n3' | sort 1 3 3 7
split
Split a file into pieces.
split
(version 8.30)
by Torbjorn Granlund and Richard M. Stallman (2019).
More information: https://www.gnu.org/software/coreutils.
$ type split split is /usr/bin/split $ man split
sponge
Soak up standard input and write to a file.
sponge
(version 0.65)
by Colin Watson and Tollef Fog Heen (2021).
Useful if you want to read from and write to the same file in a single pipeline.
More information: https://joeyh.name/code/moreutils.
$ type sponge sponge is /usr/bin/sponge
sql2csv
Execute an SQL query on a database and output the result to a CSV file.
sql2csv
(version 1.0.5)
by Christopher Groskopf (2020).
More information: https://csvkit.rtfd.org.
$ type sql2csv sql2csv is /usr/bin/sql2csv $ sql2csv --help
ssh
OpenSSH remote login client.
ssh
(version 1:8.2p1-4ubuntu0.2)
by Tatu Ylonen, Aaron Campbell, Bob Beck, Markus Friedl, Niels Provos, Theo Raadt, Dug Song, and Markus Friedl (2020).
More information: https://www.openssh.com.
$ type ssh ssh is /usr/bin/ssh $ man ssh
sudo
Execute a command as another user.
sudo
(version 1.8.31)
by Todd C. Miller (2019).
More information: https://www.sudo.ws.
$ type sudo sudo is /usr/bin/sudo $ man sudo
tail
Output the last part of files.
tail
(version 8.30)
by Paul Rubin, David MacKenzie, Ian Lance Taylor, and Jim Meyering (2019).
More information: https://www.gnu.org/software/coreutils.
$ type tail tail is /usr/bin/tail $ man tail
tapkee
An efficient dimension reduction library.
tapkee
(version 1.2)
by Sergey Lisitsyn, Christian Widmer, and Fernando J. Iglesias Garcia (2013).
More information: http://tapkee.lisitsyn.me.
$ type tapkee tapkee is /usr/bin/tapkee $ tapkee --help
tar
An archiving utility.
tar
(version 1.30)
by John Gilmore and Jay Fenlason (2014).
More information: https://www.gnu.org/software/tar.
$ type tar tar is /usr/bin/tar $ man tar
tee
Read from standard input and write to standard output and files.
tee
(version 8.30)
by Mike Parker, Richard M. Stallman, and David MacKenzie (2019).
More information: https://www.gnu.org/software/coreutils.
$ type tee tee is /usr/bin/tee $ man tee
telnet
User interface to the TELNET protocol.
telnet
(version 0.17)
by Mats Erik Andersson, Andreas Henriksson, and Christoph Biedl (1999).
More information: http://www.hcs.harvard.edu/~dholland/computers/netkit.html.
$ type telnet telnet is /usr/bin/telnet
tldr
Collaborative cheatsheets for console commands.
tldr
(version 3.3.7)
by Owen Voke (2021).
More information: https://tldr.sh.
$ type tldr tldr is /usr/local/bin/tldr $ tldr --help $ tldr tar | trim ✔ Page not found. Updating cache... ✔ Creating index... tar Archiving utility. Often combined with a compression method, such as gzip or bzip2. More information: https://www.gnu.org/software/tar. - [c]reate an archive and write it to a [f]ile: tar cf target.tar file1 file2 file3 … with 22 more lines
tr
Translate or delete characters.
tr
(version 8.30)
by Jim Meyering (2018).
More information: https://www.gnu.org/software/coreutils.
$ type tr tr is /usr/bin/tr $ man tr
tree
List contents of directories in a tree-like format.
tree
(version 1.8.0)
by Steve Baker (2018).
More information: https://launchpad.net/ubuntu/+source/tree.
$ type tree tree is /usr/bin/tree $ man tree $ tree / | trim / ├── bin -> usr/bin ├── boot ├── data │ ├── ch02 │ │ ├── fac.py │ │ └── movies.txt │ ├── ch03 │ │ ├── logs.tar.gz │ │ ├── r-datasets.db … with 121572 more lines
trim
Trim output to a given height and width.
trim
by Jeroen Janssens (2021).
More information: https://github.com/jeroenjanssens/dsutils.
$ type trim trim is /usr/bin/dsutils/trim $ echo {a..z}-{0..9} | fold | trim 5 60 a-0 a-1 a-2 a-3 a-4 a-5 a-6 a-7 a-8 a-9 b-0 b-1 b-2 b-3 b-4… c-0 c-1 c-2 c-3 c-4 c-5 c-6 c-7 c-8 c-9 d-0 d-1 d-2 d-3 d-4… e-0 e-1 e-2 e-3 e-4 e-5 e-6 e-7 e-8 e-9 f-0 f-1 f-2 f-3 f-4… g-0 g-1 g-2 g-3 g-4 g-5 g-6 g-7 g-8 g-9 h-0 h-1 h-2 h-3 h-4… i-0 i-1 i-2 i-3 i-4 i-5 i-6 i-7 i-8 i-9 j-0 j-1 j-2 j-3 j-4… … with 8 more lines
ts
Timestamp input.
ts
(version 0.65)
by Joey Hess (2021).
More information: https://joeyh.name/code/moreutils.
$ type ts ts is /usr/bin/ts $ echo seq 5 | sample -d 500 | ts Dec 14 12:07:20 seq 5
type
Show the type and location of a command-line tool.
type
is a Z shell builtin.
$ type type type is a shell builtin $ man zshbuiltins | grep -A 10 '^ *type '
uniq
Report or omit repeated lines.
uniq
(version 8.30)
by Richard M. Stallman and David MacKenzie (2019).
More information: https://www.gnu.org/software/coreutils.
$ type uniq uniq is /usr/bin/uniq $ man uniq
unpack
Extract common file formats.
unpack
(version 0.1)
by Patrick Brisbin (2013).
More information: https://github.com/jeroenjanssens/dsutils.
$ type unpack unpack is /usr/bin/dsutils/unpack
unrar
Extract files from rar archives.
unrar
(version 0.0.1)
by Ben Asselstine, Christian Scheurer, and Johannes Winkelmann (2014).
More information: http://home.gna.org/unrar.
$ type unrar unrar is /usr/bin/unrar $ man unrar
unzip
List, test and extract compressed files in a ZIP archive.
unzip
(version 6.0)
by Samuel H. Smith, Ed Gordon, Christian Spieler, Onno Linden, Mike White, Kai Uwe Rommel, Steven M. Schweda, Paul Kienitz, Chris Herborth, Jonathan Hudson, Sergio Monesi, Harald Denker, John Bush, Hunter Goatley, Steve Salisbury, Steve Miller, and Dave Smith (2009).
More information: http://www.info-zip.org/pub/infozip.
$ type unzip unzip is /usr/bin/unzip $ man unzip
vw
Fast machine learning library for online learning.
vw
(version 8.10.1)
by John Langford (2021).
More information: https://vowpalwabbit.org.
$ type vw vw is /usr/local/bin/vw $ vw --help --quiet
wc
Print newline, word, and byte counts for each file.
wc
(version 8.30)
by Paul Rubin and David MacKenzie (2019).
More information: https://www.gnu.org/software/coreutils.
$ type wc wc is /usr/bin/wc $ man wc
which
Locate a command.
which
(version 0.1)
by Unknown (2016).
More information: .
$ type which which is a shell builtin $ man which
xml2json
Convert an XML input to a JSON output, using xml-mapping.
xml2json
(version 0.0.3)
by François Parmentier (2016).
More information: https://github.com/parmentf/xml2json.
$ type xml2json xml2json is /usr/local/bin/xml2json
xmlstarlet
Command line XML/XSLT toolkit.
xmlstarlet
(version 1.6.1)
by Dagobert Michelsen, Noam Postavsky, and Mikhail Grushinskiy (2019).
More information: https://sourceforge.net/projects/xmlstar.
$ type xmlstarlet xmlstarlet is /usr/bin/xmlstarlet $ man xmlstarlet
xsv
A fast CSV command line toolkit written in Rust.
xsv
(version 0.13.0)
by Andrew Gallant (2018).
More information: https://github.com/BurntSushi/xsv.
$ type xsv xsv is /usr/bin/xsv $ xsv --help
zcat
Decompress and concatenate files to standard output.
zcat
(version 1.10)
by Paul Eggert (2021).
More information: https://www.nongnu.org/zutils/zutils.html.
$ type zcat zcat is /usr/bin/zcat $ man zcat
zsh
The Z shell.
zsh
(version 5.8)
by Paul Falstad and Peter Stephenson (2020).
More information: https://www.zsh.org.
$ type zsh zsh is /usr/bin/zsh $ man zsh