Course Homepage
April 2019
This project is maintained by UofABioinformaticsHub
Navigation and file management
Command/Symbol | Description | Useful options | Section |
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man |
Display on-line manual | -k |
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pwd |
Print working directory, i.e show where you are | none commonly used | |
ls |
List contents of a directory | -a , -h , -l |
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cd |
Change directory | (scroll down in man builtins to find cd ) |
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mv |
-b , -f , -u |
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cp |
-b , -f , -u |
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rm |
-r (careful…) |
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rmdir |
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mkdir |
-p |
File viewing
Command/Symbol | Description | Useful options | Section |
---|---|---|---|
cat |
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less |
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more |
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head |
-n# (e.g., -n100 ) |
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tail |
-n# (e.g., -n100 ) |
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wc |
-l |
Keyboard shortcuts
Command/Symbol | Description | Useful options | Section |
---|---|---|---|
[Tab] | tab-autocomplete | ||
[Up]/[Down] | Cycle through previous commands | ||
[Ctrl][Shift]-C, [Ctrl][Shift]-V | Copy and paste highlighted text in terminal |
Filters, file/stream editing
Command/Symbol | Description | Useful options | Section |
---|---|---|---|
cut |
-d , -f , -s |
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paste |
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sort |
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uniq |
-c |
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grep |
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echo |
-e |
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tee |
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sed |
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awk |
General utilities
Command/Symbol | Description | Useful options | Section |
---|---|---|---|
history |
-c |
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top |
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ps |
-u |
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kill , pkill |
-u |
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whoami |
-u |
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fg |
bring process to foreground |
Network
Command/Symbol | Description | Useful options | Section |
---|---|---|---|
wget |
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curl |
Special symbols
Command/Symbol | Description | Useful options | Section |
---|---|---|---|
| |
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> , >> |
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< |
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& |
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* , ? |
wildcards | ||
\ |
Archiving and compression
Command/Symbol | Description | Useful options | Section |
---|---|---|---|
tar |
-x -z -c -v -f |
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gunzip , gzip |
-k , -c |