Hide

What's this?

commandlinefu.com is the place to record those command-line gems that you return to again and again.

Delete that bloated snippets file you've been using and share your personal repository with the world. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.


Get involved!

You can sign-in using OpenID credentials, or register a traditional username and password.

First-time OpenID users will be automatically assigned a username which can be changed after signing in.

UpGuard checks and validates configurations for every major OS, network device, and cloud provider.
Hide

Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.

» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10

Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for:

Hide

News

May 19, 2015 - A Look At The New Commandlinefu
I've put together a short writeup on what kind of newness you can expect from the next iteration of clfu. Check it out here.
March 2, 2015 - New Management
I'm Jon, I'll be maintaining and improving clfu. Thanks to David for building such a great resource!
Hide

Top Tags

Hide

Functions

How to get an absolute value

Terminal - How to get an absolute value
abs_value=-1234; echo ${abs_value#-}
2010-06-07 14:30:47
User: prasadwani
Functions: echo
2
How to get an absolute value

Whenever we are only interested in difference between two numbers and not the positive/negative values we can use this in script.

Alternatives

There is 1 alternative - vote for the best!

Terminal - Alternatives

Know a better way?

If you can do better, submit your command here.

What others think

[url=http://www.nfljerseys.us/][b]NFL Jerseys[/b][/url]

[url=http://www.yeezyboost350.us.com/][b]Yeezy Boost 350 V2[/b][/url]

[url=http://www.longchampbags.us.com/][b]Longchamp Handbags[/b][/url]

[url=http://www.adidas-uk.org.uk/][b]Adidas UK[/b][/url]

[url=http://www.yeezys.org/][b]Yeezys[/b][/url]

[url=http://www.nike-stores.fr/][b]Nike Store[/b][/url]

[url=http://www.underarmouroutlet.us.com/][b]Under Armour Outlet[/b][/url]

[url=http://www.timberlanduk.org.uk/][b]Timberland Boots[/b][/url]

[url=http://www.jordan12.us/][b]Jordan 12[/b][/url]

[url=http://www.yeezy-shoes.us.com/][b]Yeezy Shoes[/b][/url]

[url=http://www.nikehuarache.us/][b]Nike Huarache[/b][/url]

[url=http://www.kedsshoesforwomen.com/][b]Keds Shoes For Women[/b][/url]

[url=http://www.yeezy.com.co/][b]Yeezy Shoes[/b][/url]

[url=http://www.nikeairmax.us/][b]Nike Air Max 2017[/b][/url]

[url=http://www.outlettoms.us/][b]Toms Outlet[/b][/url]

[url=http://www.ultraboostuncaged.us/][b]Ultra Boost[/b][/url]

[url=http://www.mlb-jerseys.us/][b]MLB Jerseys[/b][/url]

[url=http://www.adidas-nmds.com/][b]Adidas NMD[/b][/url]

[url=http://www.oakleyoutlet.net.co/][b]Oakley Outlet[/b][/url]

[url=http://www.rboutlet.org/][b]Ray Ban Outlet[/b][/url]

[url=http://www.katespadeoutlets.us/][b]Kate Spade Outlet[/b][/url]

[url=http://www.adidas-outlet.org/][b]Adidas Outlet[/b][/url]

[url=http://www.nikeairmax-90.com/][b]Nike Air Max 90[/b][/url]

[url=http://www.timberland-outlet.us/][b]Timberland Outlet[/b][/url]

[url=http://www.rayban-sunglasses.ca/][b]Ray-Ban Sunglasses[/b][/url]

[url=http://www.adidas-nmd.org.uk/][b]Adidas UK[/b][/url]

[url=http://www.adidaseqt.com/][b] Adidas EQT[/b][/url]

[url=http://www.ralphlaurens.org.uk/][b]Ralph Lauren UK[/b][/url]

[url=http://www.jordan4.us/][b]Jordan 4[/b][/url]

[url=http://www.cheapjordan-shoes.com/][b]Cheap Jordan[/b][/url]

[url=http://www.adidasnmdoutlet.com/][b]NMD Outlet[/b][/url]

Comment by lovelin1987 36 weeks and 2 days ago

http://www.michaelkors-handbags.in.net

http://www.canadagoosejacketssale.us.com

http://www.cheapraybans-sunglasses.us.com

http://www.michaelkorsoutletofficials.us.com

http://www.christian-louboutinoutlet.us.org

http://www.christianlouboutin.com.co

http://www.ralphlaurenpoloshirts.me.uk

http://www.lacosteoutlet.us.org

http://www.adidasshoes.us.org

http://www.coachfactoryoutletonlinestores.us.com

http://www.ralph-laurenpolooutlet.us.com

http://www.mont-blancpens.us.com

http://www.michaelkorsoutletclearancee.us.com

http://www.fitflopsaleclearance.us.com

http://www.polooutlet.name

http://www.coachfactoryoutletofficials.us.com

http://www.raybansunglassesformen.us.com

http://www.mbtshoesoutlets.us.com

http://www.oakley-sunglassesoutletonline.us.com

http://www.nikeshoes.com.co

http://www.cheapuggboots.name

http://www.cheapuggboots.org

http://www.raybansun-glasses.com.co

http://www.fredperry.org.uk

http://www.ralphlaurenpolo-uk.org.uk

http://www.valentinooutlet.in.net

http://www.polooutletralphlauren.us.com

http://www.oakleysunglasseswholesaler.us.com

http://www.montblancpensoutlet.com

http://www.ralphlauren-polo.me.uk

http://www.yeezyboost350-v2.us.com

http://www.mcmoutletonline.us

http://raybansunglasses.co-sunglasses.com

http://nikeshoes.nike-com.com

http://www.oakley-sunglassesclearance.us.com

http://www.truereligionjeanss.us.com

http://www.pandoraoutlets.us.com

http://www.montblancpens-outlet.us.com

http://www.lunetterayban.fr

http://www.airjordan4.us

http://www.canadagooseoutlet-store.com.co

http://www.adidasnmd-r1.us.com

http://www.truereligionjeans-sale.us.com

http://www.mlbjerseys.net

http://www.adidasyeezyshoes.name

http://www.poloralphlaurenfactorystore.us.com

http://www.cheapjordans.name

http://www.edhardyclothing.us.com

http://www.michaelkorsoutletclearancehandbags.us.com

http://www.polo-ralphlaurenuk.me.uk

http://www.fitflops-saleclearance.us

http://www.cheapmlb-jerseys.us

http://www.nikeshoesoutlet.us.com

http://polooutlet.amegov.com

http://www.katespadeshandbags.us

http://www.ralphlauren-outletuk.org.uk

http://www.canadagoose.name

http://www.ralph-laurenoutletuk.me.uk

http://www.ralphlaurenoutlets.org.uk

http://www.michaelkorsoutlet-online.in.net

http://www.fredperrypoloshirts.co.uk

http://www.kate-spadeoutlet.us.org

http://www.nike-shoes.us.com

http://www.truereligion-outletstore.us.com

http://www.polo-ralphlauren-pascher.fr

http://www.poloralphlauren-uk.me.uk

http://www.mbtshoescheap.us.com

http://www.pradaoutletstore.us

http://www.pradaoutlet-store.us.com

http://poloralphlauren.amegov.com

http://www.true-religionoutletstore.us.com

http://www.lebron-jamesshoes.us.com

http://www.cheapuggs.name

http://www.michaelkorsoutlet-clearance.org

http://www.oakleysunglasseswholesales.us.com

http://www.michaelkorsoutlet-clearances.us.com

http://adidasyeezyshoes.adidassale.net

http://www.pandorajewelry-outlet.us.com

http://www.katespadeoutlet-store.us.com

http://www.longchampoutlet.us.org

http://www.nikeoutlet.com.co

http://www.oakleysunglasseswholesalee.us.com

http://www.oakleysunglassescheaps.us.com

http://www.fredperryoutlet.us.com

http://www.longchampoutletofficial.us.com

http://www.coachfactory-outlet.eu.com

http://www.adidasoutlet.com.co

http://www.asicsrunningshoes.us.com

http://www.coach-outletonlineclearance.us.com

http://www.christianlouboutin-uk.org.uk

http://www.oakleysunglassesformen.us.com

http://www.nhljerseyss.us.com

http://cheapraybansunglasses.co-sunglasses.com

http://www.coachfactoryoutletmiami.us.com

http://www.coachoutletcoachoutletstore.us.com

http://www.adidasoutlet.us.org

http://www.cheapjordansfor-sale.us.com

http://www.michaelkorsoutletofficial.com

http://www.hermesbeltsoutlet.us.com

http://www.pandoraoutletstore.us.com

http://www.michaelkorsoutlet-clearance.us

http://www.ralphlauren-shirts.org.uk

http://www.ralphlaurenoutletonlinestore.us.com

http://www.ralphlaurenofficial.us.com

http://www.michael-korshandbags.in.net

http://www.michaelkorsoutletonlinestore.us.org

http://www.oakleysunglassesfactory.us.com

http://www.polooutlet.us.org

http://www.raybanssun-glasses.com.co

http://www.coachoutletonlinecoachfactoryoutlets.us.com

http://www.michaelkorssoutletclearance.us.com

http://www.poloralphlauren-uk.org.uk

http://nikeshoes.up-nike.com

http://www.poloralph-laurenuk.co.uk

http://www.michael-korsoutletstore.in.net

http://www.coachfactoryoutlet-coachoutlet.us.com

http://www.canadagoosejacketss.com.co

http://www.christian-louboutinshoes.us

http://www.coach-outletonlinecoachfactoryoutlet.us.com

http://www.cheapnfljerseys.eu.com

http://www.mlbjerseys-wholesale.us.com

http://www.adidasyeezy-shoes.us.com

http://www.nike-shoes.us.org

http://www.valentino-outlet.us.com

http://www.ralph-laurenpolo.us.org

http://www.raybansunglassesonsale90off.us.com

http://www.fitflopssaleclearance.name

http://www.coachoutletcoachfactoryoutlets.us.com

http://www.airjordan.us.org

http://www.canadagoose-outlets.com.co

http://raybansunglassesoutlet.co-sunglasses.com

http://www.uggoutlet.name

http://www.oakleysunglassesss.us.com

http://www.canadagooses.com.co

http://www.ralphlaurenshirts.me.uk

http://www.michaelkorsoutlet-clearance.com

http://www.cheapjordans-forsale.us.com

http://www.oakleysunglasseswholesaleonline.us.com

http://www.coachoutletonlinecoachfactoryoutlet.com.co

http://www.kate-spadeoutletstore.us.com

http://www.nbajerseyss.us.com

http://yeezyboost.adidassale.net

http://www.nikeoutletstorelocations.com

http://www.montblancpenss.com.co

http://www.pandorajewelrycharms.us.com

http://www.mulberryhandbagsuk.co.uk

http://www.hermesbirkins.us.com

http://www.coachoutlet-clearance.us.org

chenlili20170503

Comment by chenyingying 32 weeks and 2 days ago

shoes http://www.huaracherunpas-cher.fr/nike-huarache-homme_141.html fantasies cause substantial shoes choices; both http://www.huaracherunpas-cher.fr/nike-huarache-femmes_182.html of them are http://www.huaracherunpas-cher.fr/huarache-beige_106.html incredibly idiosyncratic in the http://www.huaracherunpas-cher.fr/chaussure-nike-air-huarache_76.html wild. Several females http://www.huaracherunpas-cher.fr/air-huarache-nike_87.html appreciate violet http://www.huaracherunpas-cher.fr/nike-huarache-marron_165.html high heels, http://www.huaracherunpas-cher.fr/nike-huarache-usa_114.html while others assert through http://www.huaracherunpas-cher.fr/nike-air-huarache-blanc_41.html the red kinds. Males may be http://www.huaracherunpas-cher.fr/nike-air-huarache-original_144.html fond of informal shoes http://www.huaracherunpas-cher.fr/air-nike-huarache_107.html or perhaps http://www.huaracherunpas-cher.fr/ enjoy their particular loafers http://www.huaracherunpas-cher.fr/air-huarache-light_139.html and http://www.huaracherunpas-cher.fr/huarache-montante_179.html for soothing disposition enjoy flip-flops http://www.huaracherunpas-cher.fr/air-max-huarache_39.html along with new sandals. http://www.huaracherunpas-cher.fr/huarache-nike-pas-cher_79.html What ever http://www.huaracherunpas-cher.fr/nike-air-huarache-light-ultramarine_64.html wish you might have http://www.huaracherunpas-cher.fr/nike-air-huarache-rouge_47.html on the verge http://www.huaracherunpas-cher.fr/nike-air-huarache-pas-chere_161.html of purchase shoes on the http://www.huaracherunpas-cher.fr/air-huarache-homme_67.html internet, different shopping http://www.huaracherunpas-cher.fr/nike-air-huarache-blanche_153.html on the web sites just http://www.huaracherunpas-cher.fr/huarache-chaussure_122.html be sure you http://www.huaracherunpas-cher.fr/nike-huarache-light-ultramarine_171.html get what you http://www.huaracherunpas-cher.fr/huarache-nike-chaussures_131.html need. Promoting regarding shoes http://www.huaracherunpas-cher.fr/achat-nike-huarache_137.html around the http://www.huaracherunpas-cher.fr/air-flight-huarache_68.html on the internet http://www.huaracherunpas-cher.fr/huarache-enfant_62.html has made it http://www.huaracherunpas-cher.fr/huarache-light-og_105.html possible for outstanding brands to appear http://www.huaracherunpas-cher.fr/nike-air-huarache-mid_78.html within their whole beauty. http://www.huaracherunpas-cher.fr/chaussures-huarache_56.html Which http://www.huaracherunpas-cher.fr/air-huarache-og_71.html simply shows that you can http://www.huaracherunpas-cher.fr/nike-huarache-rouge_81.html sigh as well as http://www.huaracherunpas-cher.fr/nike-huarache-beige_91.html affect towards http://www.huaracherunpas-cher.fr/nike-huarache-noir-et-bleu_130.html the thrilling patterns, models and reduces http://www.huaracherunpas-cher.fr/nike-air-huarache-safari_73.html of top http://www.huaracherunpas-cher.fr/air-huarache-paris_138.html quality shoes on-line.With the http://www.huaracherunpas-cher.fr/nike-huarache-free-run-pas-cher_156.html mix connected with refinement http://www.huaracherunpas-cher.fr/nike-air-huarache-run_43.html regarding http://www.huaracherunpas-cher.fr/nike-air-huarache-taille_172.html epoch shoes as well as http://www.huaracherunpas-cher.fr/acheter-huarache_84.html cool temperature associated http://www.huaracherunpas-cher.fr/nike-air-huarache-light_168.html with moccasins, loafers have http://www.huaracherunpas-cher.fr/nike-air-force-1-huarache_113.html seeing that http://www.huaracherunpas-cher.fr/huarache-4_118.html notable sort of shoes for http://www.huaracherunpas-cher.fr/nike-huarache-blanc_85.html stylish guys. get loafers http://www.huaracherunpas-cher.fr/huarache-bleu_111.html on the http://www.huaracherunpas-cher.fr/huarache-light_50.html web or perhaps buy sandals http://www.huaracherunpas-cher.fr/nike-huarache-toute-noir_154.html on the internet is http://www.huaracherunpas-cher.fr/chaussure-air-huarache_180.html one of the http://www.huaracherunpas-cher.fr/air-huarache-run_157.html least difficult tasks http://www.huaracherunpas-cher.fr/huarache-air-max_163.html that you can carry http://www.huaracherunpas-cher.fr/nike-huarache-run_72.html out. Quest for a http://www.huaracherunpas-cher.fr/air-huarache-femme_90.html trustworthy shoe store. http://www.huaracherunpas-cher.fr/nike-huarache-2013_159.html After finished, look http://www.huaracherunpas-cher.fr/huarache-usa_100.html into that http://www.huaracherunpas-cher.fr/nike-huarache-magenta_51.html connected with makes they retail with http://www.huaracherunpas-cher.fr/nike-huarache-free-light_134.html plus if http://www.huaracherunpas-cher.fr/nike-air-huarache-turquoise_160.html there's a sale http://www.huaracherunpas-cher.fr/huarache-2017_99.html on the models. http://www.huaracherunpas-cher.fr/huarache-free-run_145.html Almost all web sites regarding trusted http://www.huaracherunpas-cher.fr/nike-air-huarache-light-pas-cher_44.html online stores http://www.huaracherunpas-cher.fr/nouvelle-nike-huarache_82.html are user-friendly, carry http://www.huaracherunpas-cher.fr/nike-air-zoom-huarache_89.html standard product sales http://www.huaracherunpas-cher.fr/nike-air-huarache-1991_65.html and also promote that http://www.huaracherunpas-cher.fr/nike-huarache-2_166.html you come into action users. http://www.huaracherunpas-cher.fr/nike-huarache-chaussures_129.html In case http://www.huaracherunpas-cher.fr/huarache-leopard_77.html you register as http://www.huaracherunpas-cher.fr/nike-air-force-huarache_124.html a member, you will http://www.huaracherunpas-cher.fr/basket-huarache_63.html get updates, text http://www.huaracherunpas-cher.fr/huarache-nike-blanche_127.html message, and so on., pertaining http://www.huaracherunpas-cher.fr/huarache-noir_86.html to product sales. Therefore, all http://www.huaracherunpas-cher.fr/nike-huarache_93.html you http://www.huaracherunpas-cher.fr/huarache-noir-femme_60.html should carry out http://www.huaracherunpas-cher.fr/nike-huarache-noir-et-rose_58.html is be aware of the http://www.huaracherunpas-cher.fr/nike-air-huarache-run-pas-cher_98.html particular story saying reductions. Or http://www.huaracherunpas-cher.fr/huarache-5_74.html else you may http://www.huaracherunpas-cher.fr/nikeair-huarache_88.html stick to http://www.huaracherunpas-cher.fr/nike-huarache-gris_59.html social networks (Myspace http://www.huaracherunpas-cher.fr/nike-huarache-premium_126.html , Twitting) involving shoe sellers like http://www.huaracherunpas-cher.fr/nike-huarache-prix_66.html BeStylish for up http://www.huaracherunpas-cher.fr/huarache-nike-noir_149.html to date plans.As loafers http://www.huaracherunpas-cher.fr/nike-air-huarache-beige_112.html tend to http://www.huaracherunpas-cher.fr/nike-huarache-jd_46.html be well known because http://www.huaracherunpas-cher.fr/nike-huarache-ultramarine_125.html sealed shoes flip-flops http://www.huaracherunpas-cher.fr/nike-huarache-3_108.html are a simple form http://www.huaracherunpas-cher.fr/huarache-instagram_169.html of open up toed http://www.huaracherunpas-cher.fr/nike-huarache-fille_148.html shoes, popular as casual http://www.huaracherunpas-cher.fr/nike-air-huarache-noir_97.html inside, http://www.huaracherunpas-cher.fr/huarache-og_183.html out-of-doors as well as http://www.huaracherunpas-cher.fr/air-huarache-noire_117.html beach wear. As http://www.huaracherunpas-cher.fr/huarache-run_132.html opposed to shoes, flip-flops http://www.huaracherunpas-cher.fr/nike-air-huarache-bleu_167.html will not safely and http://www.huaracherunpas-cher.fr/nike-air-huarache-international_104.html securely your ankle joint. They http://www.huaracherunpas-cher.fr/nike-air-huarache-retro_70.html can be http://www.huaracherunpas-cher.fr/nike-huarache-pour-femme_155.html in season as http://www.huaracherunpas-cher.fr/air-huarache-solde_40.html well as once-a-year shoes http://www.huaracherunpas-cher.fr/air-huarache-blanc_123.html should you have some http://www.huaracherunpas-cher.fr/huarache-noir-et-rose_109.html other shoes http://www.huaracherunpas-cher.fr/nike-air-huarache-homme_150.html choices to pick from. Flip-flops are hugely http://www.huaracherunpas-cher.fr/boutique-nike-huarache_151.html well-known with http://www.huaracherunpas-cher.fr/nike-huarache-violet_54.html Of india and http://www.huaracherunpas-cher.fr/nike-air-huarache-90_110.html are termed The http://www.huaracherunpas-cher.fr/nike-huarache-femme-pas-cher_140.html islands chappals which can be http://www.huaracherunpas-cher.fr/nike-huarache-paris_69.html worn http://www.huaracherunpas-cher.fr/nike-air-max-huarache-hybrid_121.html by adults and kids alike. Traditional http://www.huaracherunpas-cher.fr/free-huarache_103.html trend and http://www.huaracherunpas-cher.fr/nike-huarache-leopard_57.html luxury are generally just what http://www.huaracherunpas-cher.fr/huarache-bordeaux_53.html include new http://www.huaracherunpas-cher.fr/huarache-acheter_83.html sandals doled out by http://www.huaracherunpas-cher.fr/nike-huarache-run-pas-cher_61.html Makes just like the http://www.huaracherunpas-cher.fr/nike-air-huarache-og_162.html puma company.Take good http://www.huaracherunpas-cher.fr/chaussures-air-huarache_128.html thing about the http://www.huaracherunpas-cher.fr/nike-huarache-1991_55.html web and also desire massive. http://www.huaracherunpas-cher.fr/nike-air-huarache-chaussures_80.html Ideas in the http://www.huaracherunpas-cher.fr/nike-air-flight-huarache-og_48.html form of http://www.huaracherunpas-cher.fr/nike-huarache-free-run-2012_146.html shoes you usually wanted http://www.huaracherunpas-cher.fr/nike-huarache-safari_52.html to have on have recently http://www.huaracherunpas-cher.fr/nike-huarache-id_164.html become reality as a http://www.huaracherunpas-cher.fr/huarache-og-2017_143.html result of World http://www.huaracherunpas-cher.fr/nike-air-huarache-run-chaussures_174.html Wide Web. http://www.huaracherunpas-cher.fr/air-huarache-grise_142.html Have you been fascinated http://www.huaracherunpas-cher.fr/nike-id-huarache_158.html with eco-friendly flip-flops or perhaps http://www.huaracherunpas-cher.fr/nike-huarache-agassi_133.html sandals or http://www.huaracherunpas-cher.fr/air-huarache-noir_116.html can you http://www.huaracherunpas-cher.fr/huarache-vintage_42.html such as the jewelry model? http://www.huaracherunpas-cher.fr/nike-huarache-solde_94.html Perhaps you are interested http://www.huaracherunpas-cher.fr/nike-air-huarache-solde_181.html in equally. All individuals http://www.huaracherunpas-cher.fr/chaussures-huarache-nike_152.html will need several http://www.huaracherunpas-cher.fr/nike-air-flight-huarache_102.html couples connected with http://www.huaracherunpas-cher.fr/huarache-noir-et-blanc_96.html shoes for the entire http://www.huaracherunpas-cher.fr/nike-air-huarache-prix_120.html day. Slip-ons, Flip-flops http://www.huaracherunpas-cher.fr/chaussure-huarache-nike_173.html , formals, casuals, pumps, apartments http://www.huaracherunpas-cher.fr/nike-air-huarache-2_92.html , are typically some http://www.huaracherunpas-cher.fr/huarache-femmes_170.html sort of http://www.huaracherunpas-cher.fr/nike-huarache-taille_49.html inevitability for an entire http://www.huaracherunpas-cher.fr/nike-air-huarache-og-retro_101.html clothing collection. Along with, http://www.huaracherunpas-cher.fr/huarrache-blanche_135.html you have to retain http://www.huaracherunpas-cher.fr/nike-huarache-boutique_147.html contributing to the http://www.huaracherunpas-cher.fr/basket-nike-huarache_45.html product range. Latest developments as http://www.huaracherunpas-cher.fr/nike-air-huarache-light-ultramarine-og_75.html well http://www.huaracherunpas-cher.fr/nike-huarache-light-og_115.html as dynamic colours are required to http://www.huaracherunpas-cher.fr/huarache-chaussures_95.html produce shoes libraries interesting. To do that all you need to perform is definitely buy shoes online.

Comment by scott154 14 weeks and 3 days ago

Your point of view

You must be signed in to comment.