This is a draft cheat sheet. It is a work in progress and is not finished yet.
Linux files system
/ |
root directory of the entire file system |
/bin/ |
Essential user command binaries |
/boot/ |
static files of the boot loader |
/dev/ |
device files |
/etc/ |
host-specific system configuration |
/home/ |
user home directories |
/lib/ |
essential shared libraries and kernel modules |
/media/ |
mount point for removable media such as USB |
/mnt/ |
mount point for a temporarily mounted files systems |
/opt/ |
optional commercial software |
/sbin/ |
system binaries |
/usr/ |
user utilities and applications |
/root/ |
home directory for the root user |
these are not all the file system directories ,but they're the most important to know
Not that important command
cal (yearNumber) |
display the calendar for the proper year |
date |
display the current date |
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Navigating Between directories
pwd |
print working directory |
cd ~ |
change directory to home |
cd .. |
go up one directory |
cd /folder/floder |
move to the wanted folder |
operations on files and directories
cp <file> <target dir> |
copy file to a target directory |
cp -i <file1> <file2> |
Ask if to replace the new file with the old one |
mv <file> <target dir> |
move file to a target directory,and can be used to rename files |
rm <file> |
remove file |
rm -r <dir> |
remove directory recursively |
rm -i |
prompt for every removal |
nano <file> |
a terminal based text editor |
mkdir <dir name> |
makes new directory |
you can also use "rmdir -p (path)" this command will delete all of the tree archaic unless the tree has files inside of it.
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ls command
-a |
מציג את כל הקבצים כולל המוסתרים בנתיב |
-l |
מציג את הקבצים בצורה מפורטת רושם הרשאות, גודל ועוד |
-i |
מציג את הקבצים והתקיות ואת כתובתם בזיכרון |
-S |
מציג את התיקיות לפי הגודל. מהקטן לגדול |
-R |
מבוצע בצורה ריקורסיבית לתוך התיקיות |
*(Endwith) |
מציג רק את הקבצים עם הסיומת |
(startWith)* |
מציג את התווים המתחילים עם |
String |
מציג את כל הקבצים שיש |
Permissions numbers
0 |
no permissions |
1 |
execute |
2 |
write |
3 |
write and execute |
4 |
read |
5 |
read and execute |
6 |
read and write |
7 |
read write and execute |
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