| alias |
Make different names for commands |
| at |
Runs a program at certain times |
| atq |
Lists programs waiting to be run by at |
| atrm |
Removes programs from the at queue |
| cat |
Concatenates files and print to standard output |
| cd |
Changes to a directory |
| chfn |
Changes information displayed by finger |
| chmod |
Change access permissions of files |
| chown |
Change the user and group ownership of files |
| chsh |
Change your shell |
| cp |
Copy files |
| dd |
Copy disk images |
| df |
Available free disk space |
| dir |
List directory contents |
| dmesg |
list startup messages |
| du |
Disk space used |
| dump |
Used to backup filesystems |
| e2fsck |
filesystem checker |
| export |
Set environment variables in bash |
| find |
Finds files |
| fdformat |
Low level format a floppy disk |
| fdisk |
Used to create and delete partitions |
| finger |
Look up user information |
| free |
Information on RAM and swap usage |
| grep |
Find lines matching a certain pattern |
| groupadd or addgroup* |
Adds a new group |
| groupdel or delgroup* |
Deletes a group |
| groups |
displays a user's group |
| gzip |
Compress and decompress files |
| halt |
Shut down system |
| host |
Look up host information |
| ifconfig |
Used to setup network interfaces |
| init |
Change run levels |
| insmod |
Install modules |
| kill |
Abort system processes |
| less |
Filter for viewing files |
| ln |
Create links between files and diretories |
| locate |
Locate files that match a certain pattern |
| login |
Sign on to system or switch users |
| logout (ctrl+d) |
Sign off of current user |
| lpc |
Manage printer queue |
| lpq |
View printer queue |
| lpr |
Print files |
| ls |
List directory contents |
| lsmod |
View loaded modules |
| make |
Compile and maintain programs |
| makewhatis |
Build whatis database |
| man |
View manual pages |
| mcd |
Change to directory on a DOS diskette |
| mcopy |
Copy files to a DOS diskette |
| mdel |
Delete files on a DOS diskette |
| mdeltree |
Delete directories on a DOS diskette |
| mdir |
Lists directory contents on a DOS diskette |
| mformat |
Format DOS diskettes |
| mkbootdisk |
Makes a boot disk :-) ( you did make one right?) |
| mkdir |
Makes a new directory |
| mkswap |
Setup swap device |
| modprobe |
Installs modules |
| more |
filter for viewing files and directories |
| mount |
access or mount filesystems and devices |
| mv |
Move or rename files and directories |
| netcfg ( not in all distributions) |
Network configuration tool |
| netstat |
Displays status of network connections |
| nslookup |
Name server lookup tool |
| passwd |
Change passwords |
| ping |
Check a host on the network |
| printtool |
Used to setup printers |
| ps |
Display process tree |
| pstree |
Displays entire process tree |
| pwd |
Displays the present working directory |
| reboot |
Reboots system :-) |
| restore |
Used to restore a dump backup |
| rm |
Remove files |
| rmdir |
Remove directories |
| rmmod |
remove loaded modules |
| rpm |
Manage rpm packages |
| set |
Temporarily change environment variables |
| shutdown |
Shut down the system :-) |
| startx |
Start the X Window system |
| su |
Switch to a different user |
| sync |
Flush buffered data to hard disk |
| sysinfo |
Display system information |
| tar |
Create and manage archives |
| top |
Display running processes |
| touch |
Used to create a file or update it's time stamp |
| traceroute |
Displays route of IP packets |
| umount |
Unmount filesystems ( watch the spelling) |
| uname |
Display information about your system |
| unzip |
Extract compressed files |
| updatedb |
Builds locate's database |
| uptime |
Shows how long your system has been running |
| useradd or adduser* |
Adds new user accounts |
| userdel or deluser* |
Delete user accounts |
| usermod |
Modify user accounts |
| whatis |
Gives brief overview of commands |
| whereis |
Locate binary, source and manual pages for a command |
| which |
Display a program's executable path |
| who |
Show the users that are logged in |
| whoami |
Show the user that you are currently logged in as |
| xlock |
Locks the X Window system |