MyTetra Share
Делитесь знаниями!
Linux Command Line Cheat Sheet
Время создания: 18.09.2018 11:58
Текстовые метки: linux command cheatsheet
Раздел: Linux

Bash Commands


uname -a

Show system and kernel


head -n1 /etc/issue

Show distri­bution


mount

Show mounted filesy­stems


date

Show system date


uptime

Show uptime


whoami

Show your username


man command

Show manual for command


Bash Shortcuts


CTRL-c

Stop current command


CTRL-z

Sleep program


CTRL-a

Go to start of line


CTRL-e

Go to end of line


CTRL-u

Cut from start of line


CTRL-k

Cut to end of line


CTRL-r

Search history


!!

Repeat last command


!abc

Run last command starting with abc


!abc:p

Print last command starting with abc


!$

Last argument of previous command


ALT-.

Last argument of previous command


!*

All arguments of previous command


^abc^123

Run previous command, replacing abc with 123


Bash Variables


env

Show enviro­nment variables


echo $NAME

Output value of $NAME variable


export NAME=value

Set $NAME to value


$PATH

Executable search path


$HOME

Home directory


$SHELL

Current shell


IO Redire­ction


cmd < file

Input of cmd from file


cmd1 <(cmd2)

Output of cmd2 as file input to cmd1


cmd > file

Standard output (stdout) of cmd to file


cmd > /dev/null

Discard stdout of cmd


cmd >> file

Append stdout to file


cmd 2> file

Error output (stderr) of cmd to file


cmd 1>&2

stdout to same place as stderr


cmd 2>&1

stderr to same place as stdout


cmd &> file

Every output of cmd to file

cmd refers to a command.


Pipes


cmd1 | cmd2

stdout of cmd1 to cmd2


cmd1 |& cmd2

stderr of cmd1 to cmd2


Command Lists


cmd1 ; cmd2

Run cmd1 then cmd2


cmd1 && cmd2

Run cmd2 if cmd1 is successful


cmd1 || cmd2

Run cmd2 if cmd1 is not successful


cmd &

Run cmd in a subshell

Directory Operations


pwd

Show current directory


mkdir dir

Make directory dir


cd dir

Change directory to dir


cd ..

Go up a directory


ls

List files


ls Options


-a

Show all (including hidden)


-R

Recursive list


-r

Reverse order


-t

Sort by last modified


-S

Sort by file size


-l

Long listing format


-1

One file per line


-m

Comma-­sep­arated output


-Q

Quoted output


Search Files


grep pattern files

Search for pattern in files


grep -i

Case insens­itive search


grep -r

Recursive search


grep -v

Inverted search


grep -o


Show matched part of file only


find /dir/ -name name*

Find files starting with name in dir


find /dir/ -user name

Find files owned by name in dir


find /dir/ -mmin num

Find files modifed less than num minutes ago in dir


whereis command

Find binary / source / manual for command


locate file

Find file (quick search of system index)


File Operations


touch file1

Create file1


cat file1 file2

Concat­enate files and output


less file1

View and paginate file1


file file1

Get type of file1


cp file1 file2

Copy file1 to file2


mv file1 file2

Move file1 to file2


rm file1

Delete file1


head file1

Show first 10 lines of file1


tail file1

Show last 10 lines of file1


tail -F file1

Output last lines of file1 as it changes


Watch a Command


watch -n 5 'ntpq -p'

Issue the 'ntpq -p' command every 5 seconds and display output


Process Management


ps

Show snapshot of processes


top

Show real time processes


kill pid

Kill process with id pid


pkill name

Kill process with name name


killall name

Kill all processes with names beginning name

Nano Shortcuts


Files

Ctrl-R


Read file

Ctrl-O


Save file

Ctrl-X


Close file

Cut and Paste


ALT-A

Start marking text


CTRL-K

Cut marked text or line


CTRL-U

Paste text


Navigate File


ALT-/

End of file


CTRL-A

Beginning of line


CTRL-E

End of line


CTRL-C

Show line number


CTRL-_

Go to line number


Search File


CTRL-W

Find


ALT-W

Find next


CTRL-\

Search and replace


More nano info at:

http:/­/ww­w.n­ano­-ed­ito­r.o­rg/­doc­s.php


Screen Shortcuts


screen

Start a screen session.


screen -r

Resume a screen session.


screen -list

Show your current screen sessions.


CTRL-A

Activate commands for screen.


CTRL-A c

Create a new instance of terminal.


CTRL-A n

Go to the next instance of terminal.


CTRL-A p

Go to the previous instance of terminal.


CTRL-A "

Show current instances of terminals.


CTRL-A A

Rename the current instance.


More screen info at:


http:/­/ww­w.g­nu.o­rg­/so­ftw­are­/sc­reen/


File Permis­sions


chmod 775 file

Change mode of file to 775


chmod -R 600 folder

Recurs­ively chmod folder to 600


chown user:group file

Change file owner to user and group to group


File Permission Numbers


First digit is owner permis­sion, second is group and third is everyone.


Calculate permission digits by adding numbers below.


4

read (r)


2

write (w)


1

execute (x)


Так же в этом разделе:
 
MyTetra Share v.0.53
Яндекс индекс цитирования