Guide to unix commands

=Standard Commands=
 * arch command
 * Howto use the arch command


 * awk command
 * Howto use the awk command


 * basename command
 * Howto use the basename command


 * bash
 * bash shell
 * Howto use the bash command


 * bb command
 * Howto use the bb command


 * bunzip2 command
 * Howto use the bunzip2 command


 * busybox command
 * Howto use the busybox command


 * bzcat command
 * Howto use the bzcat command


 * bzcmp command
 * Howto use the bzcmp command


 * bzdiff command
 * Howto use the bzdiff command


 * bzegrep command
 * Howto use the bzegrep command


 * bzfgrep command
 * Howto use the bzfgrep command


 * bzgrep command
 * Howto use the bzgrep command


 * bzip2 command
 * compress/decompress files using bzip2 format
 * Howto use the bzip2 command


 * bzip2recover command
 * Howto use the bzip2recover command


 * bzless command
 * Howto use the bzless command


 * bzmore command
 * Howto use the bzmore command


 * cat command
 * command prints out files content
 * Howto use the cat command


 * chattr command
 * Howto use the chattr command


 * chgrp command
 * Howto use the chgrp command


 * chmod command
 * change the permissions of file or directory
 * Howto use the chmod command


 * chown command
 * change user and group ownership of a file
 * Howto use the chown command


 * chroot command
 * change the root directory to an other folder making that the root directory
 * Howto use the chroot command


 * cksum command
 * Howto use the cksum command


 * comm command
 * Howto use the comm command


 * cp command
 * copy file or folder
 * Howto use the cp command


 * cpio command
 * Howto use the cpio command


 * cut command
 * Howto use the cut command


 * date command
 * display or set date
 * Howto use the date command


 * dd command
 * Howto use the dd command


 * df command
 * displays the free space on mounted hard drives and devices, as well as any other info
 * Howto use the df command


 * dir command
 * Howto use the dir command


 * dircolors command
 * Howto use the dircolors command


 * dirname command
 * Howto use the dirname command


 * dmesg command
 * displays errors on OS
 * Howto use the dmesg command


 * dnsdomainname command
 * Howto use the dnsdomainname command


 * domainname command
 * Howto use the domainname command


 * du command
 * display a directories size
 * Howto use the du command


 * echo command
 * prints the text after the echo command
 * Howto use the echo command


 * ed command
 * Howto use the ed command


 * egrep command
 * Howto use the egrep command


 * env command
 * Howto use the env command


 * expr command
 * calculates a small number of integer and boolean computations
 * Howto use the expr command


 * false command
 * Howto use the false command


 * fgrep command
 * Howto use the fgrep command


 * fuser command
 * Howto use the fuser command


 * gawk command
 * Howto use the gawk command


 * gawk-3.1.5 command
 * Howto use the gawk-3.1.5 command


 * grep command
 * displays all lines that match a pattern
 * Howto use the grep command
 * How to use find with grep to search into files in unix-like operating systems


 * groups command
 * displays groups the user is in
 * Howto use the groups command


 * gunzip command
 * Howto use the gunzip command


 * gzcat command
 * Howto use the gzcat command


 * gzexe command
 * Howto use the gzexe command


 * gzip command
 * compress/decompress files using the gzip format
 * Howto use the gzip command


 * head command
 * displays the first N lines in a file
 * Howto use the head command


 * hostid command
 * Howto use the hostid command


 * hostname command
 * displays/set hostname
 * Howto use the hostname command


 * id command
 * Howto use the id command


 * igawk command
 * Howto use the igawk command


 * install command
 * Howto use the install command


 * kill command
 * kills/closes programs
 * Howto use the kill command


 * killall command
 * kills/closes all commands that have the name enters
 * Howto use the killall command


 * link command
 * Howto use the link command


 * ln command
 * links files and folders
 * Howto use the ln command


 * loadkeys command
 * Howto use the loadkeys command


 * login command
 * Howto use the login command


 * logname command
 * Howto use the logname command


 * ls command
 * (list segment) displays files and folders
 * Howto use the ls command


 * lsattr command
 * Howto use the lsattr command


 * lsmod command
 * Howto use the lsmod command


 * mbchk command
 * Howto use the mbchk command


 * mkdir command
 * makes a directory
 * Howto use the mkdir command


 * mkfifo command
 * Howto use the mkfifo command


 * mknod command
 * Howto use the mknod command


 * mktemp command
 * Howto use the mktemp command


 * more command
 * parses files/inputs contents allowing user to scroll text
 * Howto use the more command


 * mount command
 * mount a hard drive partition or other device
 * Howto use the mount command


 * mv command
 * move a file or directory
 * Howto use the mv command


 * nano editor
 * a small texted editor, clone of pico
 * Howto use the nano editor


 * netstat command
 * Howto use the netstat command


 * nice command
 * Howto use the nice command


 * nisdomainname command
 * Howto use the nisdomainname command


 * nohup command
 * Howto use the nohup command


 * oldfuser command
 * Howto use the oldfuser command


 * passwd command
 * Sets a users password
 * Howto use the passwd command


 * pgawk command
 * Howto use the pgawk command


 * pidof command
 * show the pid of a command
 * Howto use the pidof command


 * ping command
 * pings a server
 * Howto use the ping command


 * ping6 command
 * Howto use the ping6 command


 * printenv command
 * displays all environment variables
 * Howto use the printenv command


 * ps command
 * shows all processes
 * Howto use the ps command


 * pstree command
 * shows all processes in a tree form
 * Howto use the pstree command


 * pstree.x11 command
 * Howto use the pstree.x11 command


 * ptx command
 * Howto use the ptx command


 * pwd command
 * print working directory
 * Howto use the pwd command


 * rbash command
 * Howto use the rbash command


 * rc-status command
 * shows programs started my rc scripts and their status
 * Howto use the rc-status command


 * readlink command
 * Howto use the readlink command


 * red command
 * Howto use the red command


 * rm command
 * remove file or directory
 * Howto use the rm command


 * rmdir command
 * remove directory
 * Howto use the rmdir command


 * rnano command
 * Howto use the rnano command


 * run-parts command
 * Howto use the run-parts command


 * sed command
 * Howto use the sed command


 * seq command
 * Howto use the seq command


 * setfont command
 * Howto use the setfont command


 * sh shell
 * bourn shell
 * Howto use the sh command


 * sleep command
 * pauses for N seconds
 * Howto use the sleep command


 * sort command
 * sorts lines in a file
 * Howto use the sort command


 * split command
 * Howto use the split command


 * stat command
 * Howto use the stat command


 * stty command
 * Howto use the stty command


 * su command
 * switch user
 * Howto use the su command


 * sync command
 * Howto use the sync command


 * tar command
 * creates or extracts a tar archive
 * Howto use the tar command
 * Howto untar a tar file or gzip-bz2 tar file


 * tee command
 * Howto use the tee command


 * tempfile command
 * Howto use the tempfile command


 * touch command
 * creates an empty file
 * Howto use the touch command


 * tr command
 * Howto use the tr command


 * true command
 * Howto use the true command


 * tty command
 * Howto use the tty command


 * umount command
 * unmounts a mounted device
 * Howto use the umount command


 * uname command
 * Howto use the uname command


 * uniq command
 * Howto use the uniq command


 * unlink command
 * Howto use the unlink command


 * uuidgen command
 * Howto use the uuidgen command


 * vdir command
 * Howto use the vdir command


 * wc command
 * Howto use the wc command


 * who command
 * Howto use the who command


 * whoami command
 * shows the user name
 * Howto use the whoami command


 * yes command
 * Howto use the yes command


 * ypdomainname command
 * Howto use the ypdomainname command


 * zcat command
 * Howto use the zcat command


 * zcmp command
 * Howto use the zcmp command


 * zdiff command
 * Howto use the zdiff command


 * zegrep command
 * Howto use the zegrep command


 * zfgrep command
 * Howto use the zfgrep command


 * zforce command
 * Howto use the zforce command


 * zgrep command
 * Howto use the zgrep command


 * zip command
 * compress/decompress files
 * How to create a zip archive in a GNU/Linux or Unix environement


 * zless command
 * Howto use the zless command


 * zmore command
 * Howto use the zmore command


 * znew command
 * Howto use the znew command

=Secure Commands=
 * MAKEDEV command
 * Howto use the MAKEDEV command


 * NVmakedevices.sh command
 * Howto use the NVmakedevices.sh command


 * agetty command
 * Howto use the agetty command


 * arp command
 * Howto use the arp command


 * arping command
 * Howto use the arping command


 * ata_id command
 * Howto use the ata_id command


 * badblocks command
 * Howto use the badblocks command


 * blkid command
 * Howto use the blkid command


 * blockdev command
 * Howto use the blockdev command


 * bootlogd command
 * Howto use the bootlogd command


 * cdrom_id command
 * Howto use the cdrom_id command


 * cfdisk command
 * Howto use the cfdisk command


 * consoletype command
 * Howto use the consoletype command


 * create_floppy_devices command
 * Howto use the create_floppy_devices command


 * ctrlaltdel command
 * Howto use the ctrlaltdel command


 * debugfs command
 * Howto use the debugfs command


 * debugreiserfs command
 * Howto use the debugreiserfs command


 * depmod command
 * Howto use the depmod command


 * depmod.old command
 * Howto use the depmod.old command


 * depscan.sh command
 * Howto use the depscan.sh command


 * dhcpcd command
 * Howto use the dhcpcd command


 * dumpe2fs command
 * Howto use the dumpe2fs command


 * e2fsck command
 * scans ext2 file systems for errors
 * Howto use the e2fsck command


 * e2image command
 * Howto use the e2image command


 * e2label command
 * Howto use the e2label command


 * elvtune command
 * Howto use the elvtune command


 * env-update.sh command
 * updates environment like libs
 * Howto use the env-update.sh command


 * execcap command
 * Howto use the execcap command


 * fdisk command
 * display/modify drives partitions
 * Howto use the fdisk command


 * filefrag command
 * Howto use the filefrag command


 * findfs command
 * Howto use the findfs command


 * firmware_helper command
 * Howto use the firmware_helper command


 * fix_libtool_files.sh command
 * Howto use the fix_libtool_files.sh command


 * fsck command
 * scans file systems for errors
 * Howto use the fsck command


 * fsck.cramfs command
 * scans cramfs file systems for errors
 * Howto use the fsck.cramfs command


 * fsck.ext2 command
 * scans ext2 file systems for errors
 * Howto use the fsck.ext2 command


 * fsck.ext3 command
 * scans ext3 file systems for errors
 * Howto use the fsck.ext3 command


 * fsck.minix command
 * scans minix file systems for errors
 * Howto use the fsck.minix command


 * fsck.reiserfs command
 * scans reiserfs file systems for errors
 * Howto use the fsck.reiserfs command


 * functions.sh command
 * Howto use the functions.sh command


 * generate-modprobe.conf command
 * Howto use the generate-modprobe.conf command


 * genksyms command
 * Howto use the genksyms command


 * getpcaps command
 * Howto use the getpcaps command


 * grub command
 * configure the grub boot manager
 * Howto use the grub command


 * grub-install command
 * installs grub boot manager
 * Howto use the grub-install command


 * grub-md5-crypt command
 * Howto use the grub-md5-crypt command


 * grub-set-default command
 * Howto use the grub-set-default command


 * grub-terminfo command
 * Howto use the grub-terminfo command


 * halt command
 * halts, shutdown, computer
 * Howto use the halt command


 * hdparm command
 * dispays/sets hard drives parameters
 * Howto use the hdparm command


 * hotplug command
 * Howto use the hotplug command


 * hwclock command
 * display/set hardware clock
 * Howto use the hwclock command


 * idectl command
 * Howto use the idectl command


 * ifconfig command
 * displays/sets networks connections
 * Howto use the ifconfig command


 * init command
 * Howto use the init command


 * insmod command
 * Howto use the insmod command


 * insmod.old command
 * Howto use the insmod.old command


 * insmod.static command
 * Howto use the insmod.static command


 * insmod.static.old command
 * Howto use the insmod.static.old command


 * insmod_ksymoops_clean command
 * Howto use the insmod_ksymoops_clean command


 * installkernel command
 * Howto use the installkernel command


 * ipmaddr command
 * Howto use the ipmaddr command


 * iptunnel command
 * Howto use the iptunnel command


 * kallsyms command
 * Howto use the kallsyms command


 * kallsyms.static command
 * Howto use the kallsyms.static command


 * kernelversion command
 * displays general kernel version (ex 2.6)
 * Howto use the kernelversion command


 * killall5 command
 * Howto use the killall5 command


 * ksyms command
 * Howto use the ksyms command


 * ksyms.static command
 * Howto use the ksyms.static command


 * ldconfig command
 * configures libraries
 * Howto use the ldconfig command


 * logsave command
 * Howto use the logsave command


 * losetup command
 * Howto use the losetup command


 * lsmod command
 * Howto use the lsmod command


 * lsmod.old command
 * Howto use the lsmod.old command


 * lsmod.static command
 * Howto use the lsmod.static command


 * mii-tool command
 * Howto use the mii-tool command


 * mke2fs command
 * creates ext2 file system
 * Howto use the mke2fs command


 * mkfs command
 * creates ext2 file system
 * Howto use the mkfs command


 * mkfs.bfs command
 * creates ext2 file system
 * Howto use the mkfs.bfs command


 * mkfs.cramfs command
 * creates file system
 * Howto use the mkfs.cramfs command


 * mkfs.ext2 command
 * creates ext2 file system
 * Howto use the mkfs.ext2 command


 * mkfs.ext3 command
 * creates ext3 file system
 * Howto use the mkfs.ext3 command


 * mkfs.minix command
 * creates minix file system
 * Howto use the mkfs.minix command


 * mkfs.reiserfs command
 * creates reiserfs file system
 * Howto use the mkfs.reiserfs command


 * mkreiserfs command
 * creates reiserfs file system
 * Howto use the mkreiserfs command


 * mkswap command
 * creates swap partition
 * Howto use the mkswap command


 * modinfo command
 * Howto use the modinfo command


 * modinfo.old command
 * Howto use the modinfo.old command


 * modprobe command
 * load kernel moduals
 * Howto use the modprobe command


 * modprobe.static command
 * Howto use the modprobe.static command


 * modules-update command
 * Howto use the modules-update command


 * nameif command
 * Howto use the nameif command


 * path_id command
 * Howto use the path_id command


 * pivot_root command
 * Howto use the pivot_root command


 * plipconfig command
 * Howto use the plipconfig command


 * poweroff command
 * Howto use the poweroff command


 * rarp command
 * Howto use the rarp command


 * rc command
 * Howto use the rc command


 * rc-update command
 * Howto use the rc-update command


 * reboot command
 * reboots computer
 * Howto use the reboot command


 * reiserfsck command
 * checks reiserfs file system for errors
 * Howto use the reiserfsck command


 * reiserfstune command
 * displays/sets reiserfs parrametes
 * Howto use the reiserfstune command


 * resize2fs command
 * Howto use the resize2fs command


 * resize_reiserfs command
 * Howto use the resize_reiserfs command


 * rmmod command
 * Howto use the rmmod command


 * rmmod.old command
 * Howto use the rmmod.old command


 * rmmod.static command
 * Howto use the rmmod.static command


 * route command
 * Howto use the route command


 * runlevel command
 * Howto use the runlevel command


 * runscript command
 * Howto use the runscript command


 * runscript.sh command
 * Howto use the runscript.sh command


 * scsi_id command
 * Howto use the scsi_id command


 * setpcaps command
 * Howto use the setpcaps command


 * sfdisk command
 * Howto use the sfdisk command


 * shutdown command
 * shuts down computer
 * Howto use the shutdown command
 * Howto allow nonsuper users to shutdown computer in unix


 * slattach command
 * Howto use the slattach command


 * sln command
 * Howto use the sln command


 * start-stop-daemon command
 * Howto use the start-stop-daemon command


 * sucap command
 * Howto use the sucap command


 * sulogin command
 * Howto use the sulogin command


 * swapoff command
 * disables sway
 * Howto use the swapoff command


 * swapon command
 * enables swap
 * Howto use the swapon command


 * sysctl command
 * Howto use the sysctl command


 * telinit command
 * Howto use the telinit command


 * tune2fs command
 * configures ext2 and ext3 parameters
 * Howto use the tune2fs command


 * udev command
 * Howto use the udev command


 * udev_run_devd command
 * Howto use the udev_run_devd command


 * udev_run_hotplugd command
 * Howto use the udev_run_hotplugd command


 * udevcontrol command
 * Howto use the udevcontrol command


 * udevd command
 * Howto use the udevd command


 * udevsend command
 * Howto use the udevsend command


 * udevstart command
 * Howto use the udevstart command


 * update-modules command
 * Howto use the update-modules command


 * usb_id command
 * Howto use the usb_id command


 * vol_id command
 * Howto use the vol_id command