Difference between revisions of "Commands"
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| − | + | Here are important commands that you should be aware of: | |
| + | |||
| + | * [[cat]] - input from stdin or a file and output to stdout or a file | ||
| + | * [[cd]] - change directory | ||
| + | * [[date]] - show and set the system date and time | ||
| + | * [[df]] - find out how much space is free on your disks | ||
| + | * [[disown]] - removes a process from its parent process, allowing it to continue after the parent exits | ||
| + | * [[dig]] - query a name server for a server's IP address | ||
| + | * [[du]] - find out how much space is used on your disks | ||
| + | * [[echo]] - output a string to [http://simple.wikipedia.org/wiki/Command_Line_Interface console] (rather, to [[stdout]]) | ||
| + | ** echo mem > /sys/power/state - put the computer into standby-mode | ||
| + | * [[ethtool]] - is a network cable connected and which link does it have? | ||
| + | * [[fdisk]] - partition a [[hard disk]] | ||
| + | * [[file]] - find out the type of a file | ||
| + | * [[hwinfo]] - find out what harddisk, processor, graphics card and so on you have | ||
| + | * [[ldd]] - list dependencies of an executable file | ||
| + | * [[ls]] - list files | ||
| + | * [[lsof]] - list open files in the system | ||
| + | * mkdir - makes a directory | ||
| + | * [[netstat]] - show network connections | ||
| + | * [[ps]] - show running processes | ||
| + | * [[route]] - manage the network routing table | ||
| + | * [[scp]] - copy over the network | ||
| + | * [[shred]] - wipe data off your computer | ||
| + | * [[sleep]] - waits for a given time | ||
| + | * [[ssh]] - call a program over the network on another computer | ||
| + | * [[strace]] - list all syscalls performed by a program | ||
| + | ** strace -e open - list all files that a program reads/writes to/from | ||
| + | * [[tar]] - pack and unpack file archives | ||
| + | * [[top]] - show the top CPU/RAM consuming processes | ||
| + | * [[vmstat]] - how much I/O is your computer doing? | ||
| + | * [[which]] - where does a program lodge? | ||
| + | * [[xosview]] - gives you a nice overview about system load: CPU, disks, swap etc. | ||
| + | * [[zip]] - pack files so WinZip can extract them | ||
| + | |||
| + | = See also = | ||
| + | * [[Special:WhatLinksHere/Commands|pages that link to here]] | ||
Revision as of 03:22, 16 February 2012
Here are important commands that you should be aware of:
- cat - input from stdin or a file and output to stdout or a file
- cd - change directory
- date - show and set the system date and time
- df - find out how much space is free on your disks
- disown - removes a process from its parent process, allowing it to continue after the parent exits
- dig - query a name server for a server's IP address
- du - find out how much space is used on your disks
- echo - output a string to console (rather, to stdout)
- echo mem > /sys/power/state - put the computer into standby-mode
- ethtool - is a network cable connected and which link does it have?
- fdisk - partition a hard disk
- file - find out the type of a file
- hwinfo - find out what harddisk, processor, graphics card and so on you have
- ldd - list dependencies of an executable file
- ls - list files
- lsof - list open files in the system
- mkdir - makes a directory
- netstat - show network connections
- ps - show running processes
- route - manage the network routing table
- scp - copy over the network
- shred - wipe data off your computer
- sleep - waits for a given time
- ssh - call a program over the network on another computer
- strace - list all syscalls performed by a program
- strace -e open - list all files that a program reads/writes to/from
- tar - pack and unpack file archives
- top - show the top CPU/RAM consuming processes
- vmstat - how much I/O is your computer doing?
- which - where does a program lodge?
- xosview - gives you a nice overview about system load: CPU, disks, swap etc.
- zip - pack files so WinZip can extract them
