1
Q
pwd
A
print working directory
2
Q
hostname
A
my computer’s network name
3
Q
mkdir
A
make directory
4
Q
cd
A
change directory
5
Q
ls
A
list directory
6
Q
rmdir
A
remove directory
7
Q
popdir
A
pop directory
8
Q
cp
A
copy a file or directory
9
Q
mv
A
Move a file or directory
10
Q
less
A
Page through a file
11
Q
cat
A
Print the whole file
12
Q
xargs
A
Execute arguments
13
Q
find
A
Find files
14
Q
grep
A
Find things inside files
15
Q
man
A
Read a manual page
16
Q
apropos
A
Find what manual page is important
17
Q
env
A
Look at your environment
18
Q
echo
A
Print some arguments
19
Q
export
A
export/set a knew environment variable
20
Q
exit
A
Exit the shell
Coding
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