Explore tweets tagged as #UnixCheatSheet
I just added a summary of commonly used Unix commands to the bioinformatics workbook. #PlantBio19 #ISMBECCB2019 #Behavior2019
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Twitter FAIL yet again... @unixcheatsheet is again crosslinking as someone else. Come on, Twitter, you can do be.. http://tinyurl.com/c6rjfx
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Execute your previous command with "!!". Or fetch it with the up arrow key or Control+P.
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Need to nuke all .DS_Store files on your Mac? "sudo find / -name .DS_Store -depth -exec rm {} \;" will do the trick.
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And what if you want to redirect errors to a file? Use "2> /path/to/file". To redirect everything, use "&> /path/to/file".
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"./command &" runs 'command' in the background. Forgot to include the &? Hit CTRL-Z and type in "bg" to run in the background.
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Need to extract from an archive? Use "tar -xf /path/to/archive". Combine with -v to extract verbosely: "tar -xvf /path/to/archive".
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Know your home directory shortcuts. "cd", "cd ~", or "cd $HOME" all change the current working directory to your home directory.
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On the topic of find, know -size's affixes! "find / -size +20c -size -40k" for files greater than 20 bytes, but less than 40 kilobytes.
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Don't forget tar's support for compressed archives. "tar xvfz" for tar.gz's, "tar xvfj" for .tar.bz2's. (Also, the dash is now optional.)
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Learn your ls! e.g., "ls -lat" will list all files in the directory, incl hidden ones, sorted by date. Combine w/ less: "ls -lat | less".
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Output to a file? Append "> /path/to/file" to your command. This overwrites the file, if it already exists. >> appends to the file instead.
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The -X parameter to ssh enables X forwarding; after "ssh -X user@host", you can run X apps remotely and they'll forward to your X server.
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"find . -name a*" will list files in the working dir and subdirs whose name begins with "a". Use -size and -type for greater specificity.
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Get an updated list of processes with "top". By default, sorting is based on process IDs. Combine with "-o command" to sort by name instead.
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On that note, "pushd /tmp" changes your working directory to /tmp while remembering where you were; "popd" goes back to your previous dir.
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@jociecolella @sliphardt @bryanccarstens @n8_upham @Jenna_Merle @KayceCBell @treeshrew13 @DrewDuckett6 Thanks for the thread! Already great resources listed to get started. I'll 2nd Python docs, some kind of Unix cheatsheet (e.g. https://t.co/UTaB15mSXy). For R, learning to google for analysis-specific tutorials, e.g. I end up here a lot:
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