Difference between revisions of "Unix"
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A great Unix tutorial is here http://www.ee.surrey.ac.uk/Teaching/Unix/ | A great Unix tutorial is here http://www.ee.surrey.ac.uk/Teaching/Unix/ | ||
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==Looking at your environment== | ==Looking at your environment== | ||
pwd print the current location | pwd print the current location | ||
| − | ls | + | ls list the contents of the current location |
==Moving around== | ==Moving around== | ||
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ssh log on to a different computer | ssh log on to a different computer | ||
scp copy files to/from a different computer | scp copy files to/from a different computer | ||
| − | tcsh execute a shell script | + | tcsh execute a C shell (tcsh) script |
| + | bash execute a Bourne-Again Shell (bash) script | ||
ps -fu see current processing commands | ps -fu see current processing commands | ||
logout/exit logout of a computer | logout/exit logout of a computer | ||
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<Ctrl+d> logout | <Ctrl+d> logout | ||
| − | ==Queuing commands for | + | ==Queuing commands for SLURM (Seawulf only)== |
| − | + | sbatch submit a job to the queue | |
| − | + | squeue check on jobs in the queue | |
| − | + | scancel delete a job from the queue | |
Latest revision as of 21:28, 22 January 2020
A great Unix tutorial is here http://www.ee.surrey.ac.uk/Teaching/Unix/
Contents
Looking at your environment
pwd print the current location ls list the contents of the current location
Moving around
mkdir create a new directory rmdir remove a diretory cd go to a location by specifying the directory
Modifying your environment with files
vim create a new file or edit an existing file rm remove a file/directory cp copy a file/directory mv move a file/directory or change the name of a file/directory
More commands
man instructions for using commands cat print contents of a file more view contents of a file diff show the difference between two files grep search within a file for specific text chmod change permission of a file or directory whoami shows your username clear clear the screen ssh log on to a different computer scp copy files to/from a different computer tcsh execute a C shell (tcsh) script bash execute a Bourne-Again Shell (bash) script ps -fu see current processing commands logout/exit logout of a computer
Other things to know
./ shortcut for 'current directory' ../ shortcut for 'parent directory' ~/ shortcut for 'home directory' > print something to a file >> append something to a file * shortcut for 'any strings of characters' | chain commands & run stuff in the background \ escape a character
Keyboard shortcuts
<tab> auto-complete <up arrow> see command history <Ctrl+c> interrupt a process <Ctrl+d> logout
Queuing commands for SLURM (Seawulf only)
sbatch submit a job to the queue squeue check on jobs in the queue scancel delete a job from the queue
