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28 Cards in this Set
- Front
- Back
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pwd |
print working directory |
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hostname |
my computer's network name |
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cd |
change directory |
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ls |
list directory |
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rmdir |
remove directory |
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popd |
pop directory |
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cp |
copy a file or a directory |
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mv |
move a file or a directory |
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less |
page through a file |
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cat |
print the whole file |
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xargs |
execute arguments |
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find |
find files |
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grep |
find things inside files |
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man |
read a manual page |
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apropos |
find what man page is appropriate |
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env |
look at your environment |
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echo |
print some arguments |
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export |
export/set a new environment variable |
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exit |
exit the shell |
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sudo |
DANGER! become super user root DANGER! |
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chmod |
change permission modifiers |
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chown |
change ownership |
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asterisk (*) |
matches anything in the wildcard like *.txt |
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find |
find STARTDIR -name WILDCARD -print |
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$|$ |
The | takes the output from the command on the left, and "pipes" it to the command on the right. |
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$ < $ |
The < will take and send the input from the file on the right to the program on the left. |
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$ > $ |
The > takes the output of the command on the left, then writes it to the file on the right. |
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$ >> $ |
The >> takes the output of the command on the left, then appends it to the file on the right. |
