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/ | ||
| − | |||
| − | == | + | ==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 | ||
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
