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ls
|
Directory listing
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ls -al
|
Formatted listing with hidden files
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ls -F
|
list files in current directory and indicate the file tyoe
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ls -laC
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list all files in current directory in long format and display in columns
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cd dir
|
Change directory to dir
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pwd
|
Show current directory
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mkdir dir
|
Create a directory dir
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rm file
|
Delete file
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rm -r dir
|
Delecte directory dir
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rm -f file
|
Force remove file
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rm -rf dir
|
For remove directory dir
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cp file1 file2
|
Copy file 1 to file2
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cp -r dir1 dir2
|
Copy dir1 to dir2
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cp file path
|
copy the file to the dir
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mv file1 file2
|
Rename or move file to file2.
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ln -s file link
|
Create symbolic link link to file
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touch file
|
Create or update file
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cat > file
|
Place standard input into file
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more file
|
Output the contents of file
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|
head file
|
Output the first 10 kines of file
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tail file
|
output the last 10 lines of file
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tail -f file
|
Output the contents of file as it grows, starting with the last 10 lines
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chmod octal file
|
4 - read(r) 2 - write(w) 1 - execute(x)
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grep pattern files
|
search for pattern in files
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grep -r pattern dir
|
search recursively for pattern in dir
|
|
command | grep pattern
|
search for pattern in the output of command
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locate file
|
find all instances of file
|
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ps
|
display all currently active processes
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top
|
display all runing processes
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kill pid
|
kill process id pid
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killall proc
|
kill all processes named proc *
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bg
|
lists stopped or background jobs; resume a stopped job in the background
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fg
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brings the most recent job to the foreground
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fg a
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brings job a to the foreground
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date
|
show the current date and time
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cal
|
show this month's calendar
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uptime
|
show current uptime
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w
|
display who is online
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whoami
|
who you are logged in as
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|
finger user
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display information about user
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uname -a
|
show kernel information
|
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cat/proc/cpuinfo
|
cpu information
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cat/proc/meminfo
|
memory information
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|
man command
|
show the manual for command
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df
|
show disk usage
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du
|
show direcory space usage
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free
|
show memmory and swap usage
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whereis app
|
show possible locations of app
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which app
|
show which app will be run by default
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tar cf file.tar files
|
create a tar named file.tar containing files
|
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tar xf file.tar
|
extract the file from file.tar
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tar czf file.tar.gz files
|
create a tar with Gzip compression
|
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tar xzf file.tar.gz
|
extract a tar using Gzip
|
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tar cjf file.tar.bz2
|
create a tar with Bzip2 compression
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tar xjf file.tar.bz2
|
extract a tar using Bzip2
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gzip file
|
compresses file and renames it to file.gz
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gzip -d file.gz
|
decompresses file.gz back to file
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ssh user@host
|
connect to host as user
|
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ssh -p port user@host
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connect to host on port port as uset
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ssh-copy-id user@host
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add your key to host for user to enable a keyed or passwordless login
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ping host
|
ping host and outpt result
|
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shois domain
|
get whois information for domain
|
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dig domain
|
get DNS information for domain
|
|
dig -x host
|
reverse lookup host
|
|
wget file
|
download file
|
|
wget -c file
|
continue a stopped download
|
|
sd -h no
|
shutdown system now and do not reboot
|
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halt
|
stop all processes - same as above
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shutdown -r 5
|
shutdown the system in 5 minutes and reboot
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shutdown -r now
|
shutdown the system now and reboot
|
|
rebot
|
stop all processes and then reboot
|
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startx
|
start the x system
|
|
Ctrl+C
|
halts the current command
|
|
Ctrl+Z
|
stops the current command, resume with fg in the foreground or bg in the background
|
|
Ctrl+D
|
log put of current session, similar to exit
|
|
Ctrl+W
|
erases one word in the current lint
|
|
Ctrl+U
|
erases he whole line
|
|
Ctrl+R
|
type to bring up a recent command
|
|
!!
|
repats the last command
|
|
exit
|
log ot of current session
|
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Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
