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qstat
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print list of all your jobs
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qsub <script>
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submit <script> as a job
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qlogin
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login to an interactive session on the cluster
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qdel <job ids>
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delete the jobs (<job ids> can be a pattern)
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cd <destination>
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change directory
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ls [pattern]
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list all files or match pattern
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pwd
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print current directory
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rm [pattern]
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remove files (-r for recursive)
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mv [sources] [destination]
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move / rename file(s) or folder(s)
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cp [sources] [destination]
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copy file(s) (-r to create desination)
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mv [sources] [destination]
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rename / move directory
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mkdir <directory>
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create a directory
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rmdir <directory>
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remove a directory
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rm -rf <directory>
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remove directory and all subdirectories
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find . -file -name "*.txt"
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Find all .txt files in the current directory and below and print
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locate [pattern]
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match files with pattern anywhere in the full path and print
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head [filenames]
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print first 10 lines of file
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tail [filenames]
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print last 10 lines of file
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cat [filenames]
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concatenate files and print
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ps
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See all of your active processes
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top
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Constantly updating list of ordered (by resources) processes
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time <command>
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print time taken to complete after command finishes running
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kill <pid>
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terminate process with id <pid>
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{a..z} or {1..100}
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expands to the series e.g a b c d ...
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*
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expands to match anything, any number of times
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?
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Match anything once
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$((2 + 2))
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Arithmetic expansion (evaluates to 2)
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$(<command>)
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expands to the result of the command
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~
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absolute path to home directory
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awk -F ","
'{print $<column number>}' |
print only column n of files
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sort (-n)
|
sort alphabetically (alphanumerically)
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uniq (-c)
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print only one instance of repeated lines (with count of lines)
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grep (-i) [pattern]
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print lines which contain pattern (ignore case)
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wc -l
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print number of lines
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sed /<pattern>/<replacement>/g
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replace all instances matching <pattern> with <replacement>
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ssh <username>@<host>
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login to multi-user machine
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scp <username>@<host>:[remote source] <local>
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Cope file(s) from <host> to <local> destination.
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rsync -t <username>@<host>:[remote source] <local>
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only copy updated files from <host> to <local>
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chmod +x <file>
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give executable priveleges to <file>
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seq <start> <step> <stop>
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print sequence of numbers from <start> to <stop> in increments of <step>
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man <command>
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open the manual page for man
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more <file>
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print output in navigateable pages
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fdisk -l
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list all the connected drives and partitions
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mount <partition> <directory>
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directory will now lead to the partiton (useful for usb storage)
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Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
