Bash Cheatsheet | Helper-Kit

Print Working Directory

Show current directory path

pwd

List Files

List files in directory

ls
ls -la
ls -lh

Change Directory

Navigate to different directory

cd /path/to/dir
cd ..
cd ~

Make Directory

Create new directory

mkdir directory_name
mkdir -p path/to/dir

Create File

Create empty file

touch filename.txt
cat > file.txt

Copy File

Copy file or directory

cp file.txt file_copy.txt
cp -r directory/ copy_dir/

Move/Rename File

Move or rename file

mv oldname.txt newname.txt
mv file.txt /path/to/dir/

Remove File

Delete file

rm filename.txt
rm -f filename.txt

Remove Directory

Delete directory

rmdir empty_dir
rm -r directory_name

View File Contents

Display file content

cat filename.txt
less filename.txt
more filename.txt

Edit File

Edit file in terminal

nano filename.txt
vim filename.txt
vi filename.txt

Search in Files

Find text pattern in files

grep "pattern" filename.txt
grep -r "pattern" directory/

Find Files

Search for files by name

find . -name "filename.txt"
find / -name "*.log"

Word Count

Count lines, words, characters

wc filename.txt
wc -l filename.txt

Sort Lines

Sort file content

sort filename.txt
sort -n numbers.txt

Unique Lines

Remove duplicate lines

uniq filename.txt
sort filename.txt | uniq

Pipe Output

Send output to another command

cat file.txt | grep "pattern"
ls | wc -l

Redirect Output

Save output to file

command > output.txt
command >> output.txt

User Information

Show current user

whoami
who
id

Permissions

Change file permissions

chmod 755 filename
chmod +x script.sh

Ownership

Change file owner

chown user filename
chown user:group filename

Disk Space

Show disk usage

df -h
du -sh directory/

Process List

Show running processes

ps
ps aux
top

Kill Process

Terminate process

kill PID
kill -9 PID

🖥️ Bash Cheatsheet

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