CS Linux Quiz

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finger user

displays information about a particular user

python

execute a file

tar xf file.tar

extract the files from file.tar

rm -rf dir

force remove directory

rm -f file

force remove file

vim

text editor

w

who is online

whoami

who you are logged in as

:w

write to a file

cd

Go to home

cd dir

change directory

chmod

change the permissions of a file

gzip file

compresses file and renames it to file.gz

tar cjf file.tar.bz2

compresses the entire folder into it

cp -r dir1 dir2

copy directory 1 to directory 2

cp file1 file2

copy file1 to file2

tar czf file.tar.gz files

create a tar more efficiently

tar cf file.tar files

create a tar names file.tar containing files

touch file

create or update file

gzip -d file.gz

decompresses a file back to its original

I in vim

input

:q

leave a file

Ls

list current directory

mkdir directory

make directory

Ls -al

more extensive listing of the current directory

mv file1 file2

move file 1 to file 2, if file to is a directory, it is added to the directory

more

output a file's contents

tail -f

outputs a file ten lines at a time

head

outputs the first ten lines of a file

tail

outputs the last ten lines of a file

cat > file

places standard input into file

pwd

print working directory (show current directory)

r vs. w vs. x

read (4), write (3), execute (2)

tar xjf file.tar.bz2

read and extract a file using Bzip2

tar xzf file.tar.gz

reads and extracts a file, and the compresses it with gzip

rm file

remove a file

rm -r directory

remove directory

uptime

show the current uptime

date

show the date

cal

show the month's calander


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