View source for Linux/1-Commands

{| class="wikitable" border="1"
|-
! Command
! Arguments
! Info
! Example
|-
| colspan="4" style="background-color:#ffffff;" | <br> '''Basic'''
|-
| dir
| -Flah
| list folder content
| dir -Flah
|-
| cat
| %file
| show file content
| cat config.txt
|-
| colspan="4" style="background-color:#ffffff;" | <br> '''Files'''
|-
| mkdir
| %dir
| create dir
| mkdir /var/test
|-
| rm
| %file
| remove file/dir
| rm autoexec.bat
|-
| cp
| %from %to
| copy
|
|-
| mv
| %from %to
| move
|
|-
| nano
| (%file)
| file editor
| nano
|-
| vi(m)
| %file
| file editor
| vi config.txt
|-
| colspan="4" style="background-color:#ffffff;" | <br> '''Search'''
|-
| locate
| %file
| locate file
| locate fstab
|-
| updatedb
|
| update locate database
|
|-
| find
| / -n %filename
| search for file
|
|-
| colspan="4" style="background-color:#ffffff;" | <br> '''System info'''
|-
| uname 
| -a
| show kernel version
| uname -a
|-
| free
| -m
| show free memory
| free -m
|-
| fdisk
| -l
| 
|
|-
| df
| -Th
| show harddisk usage
| df -Th
|-
| du
| 
|
|
|-
| ifconfig
| 
| show network settings
|
|-
| ps
| -aux
| show processes
| ps -aux 
|-
| top
|
| show processes with UI
|
|-
| netstat
|
|
| netstat -tulpn
|-
| landscape-sysinfo
|
|
| landscape-sysinfo
|-
| htop
|
| (extra package)
|
|-
|tload
|
|show cpu graph
|
|-
| iotop
|
| (extra package)
|
|-
| iftop
|
| (extra package)
|
|-
| virt-top
|
|(extra package)
| 
|-
| vnstat
|
| show network interface statistics
(extra package)
|
|-
| who, w
|
|
|
|-
| pwd
|
|
|
|-
| colspan="4" style="background-color:#ffffff;" | <br> '''Runlevel'''
|-
| runlevel
|
|
|
|-
| init 
| %rlvl
|
|
|-
| halt
|
|
|
|-
| reboot
|
|
|
|-
| shutdown
| -h now
|
|
|-
| colspan="4" style="background-color:#ffffff;" | <br> '''Network'''
|-
| wget
|
| download files
|
|-
| ntpdate
|
|(extra package)
|
|-
| dig
| 
| get dns info
|
|-
| whois
|
| (extra package)
|
|-
| nslookup
|
| get dns info
|
|-
| finger
|
| (extra package)
|
|-
| route
| -n
| show active routes
|
|-
| traceroute
|
| show network route to target address
|
|-
| netstat
| -tulpn
| show open ports
| netstat -tulpn
|-
| iwconfig
|
| show wifi settings
|
|-
| iwlist scan
|
| scan for wifi networks
|
|-
| nethogs
|
|(extra package)
| 
|-
| colspan="4" style="background-color:#ffffff;" | <br> '''Apt'''
|-
| apt install 
| <package> (-s = simulation)
| install package
|
|-
| apt update
| 
| update list of available packages
|
|-
| apt upgrade
|
| upgrade packages
|
|-
| apt dist-upgrade
|
| upgrade all packages incl. kernel
|
|-
| aptitude
|
| package manager with UI
|
|-
| dpkg -c
|
|
|
|-
| dpkg --get-selections
|
| get list of all installed packages
| 
|-
| dpkg -S filename
|
| find package, to which the file belongs
| 
|- 
| /etc/apt/sources.list
|
|
|
|-
| colspan="4" style="background-color:#ffffff;" | <br> '''HDD & Filesystem'''
|-
| dd
| if=%in of=%out
| low level copy
| dd if=/dev/sda2 of=/dev/sdb2 
|-
|dd
|
|wipe drive
|dd if=/dev/urandom of=/dev/sdX bs=4096 status=progress
|-
| lsof
|
| show open files
|| <nowiki>lsof | grep qcow</nowiki>
|-
| smartctl
|
| read smart info
|
|-
| hdparm
|
| set parameters
|
|-
| blkid 
|
| show block devices UUID
|
|-
| dosfsck 
| -w -r -l -a -v -t /dev/sdc1
| scan fat partition
|
|-
| fsck.ext4 
| -v -f -c /dev/sda1 
| scan ext4 partition
|
|-
|shred
| -v -n1 -z /dev/sdx
|wipe hard drive
|
|-
| colspan="4" style="background-color:#ffffff;" | <br> '''Helpers'''
|-
| watch
| -n 5 --differences
| repeat command every n seconds
|
|-
|
|
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|-
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|}


* http://linoxide.com/guide/linux-command-shelf.html
[[Category:Linux/CheatSheet]]
[[Category:Linux]]