Linux Command Line Befehle
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- Linux Command Line FAQ
- ELib Team
- 2022 2022
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Linux Command Line Befehle
System Care
sudo apt-get update Update List of Packages
sudo apt-get upgrade Upgrade OS and packages
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)
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
Links
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