A collection of basic system utilities
http://en.wikipedia.org/wiki/Util-linux
The util-linux package contains a large variety of low-level system
utilities that are necessary for a Linux system to function. Among
others, Util-linux contains the fdisk configuration tool and the login
program.
See also: util-linux-user.
General Commands | |
| cal | display a calendar |
| choom | display and adjust OOM-killer score. |
| chrt | manipulate the real-time attributes of a process |
| col | filter reverse line feeds from input |
| colcrt | filter nroff output for CRT previewing |
| colrm | remove columns from a file |
| column | columnate lists |
| dmesg | print or control the kernel ring buffer |
| eject | eject removable media |
| fallocate | preallocate or deallocate space to a file |
| fincore | count pages of file contents in core |
| flock | manage locks from shell scripts |
| getopt | parse command options (enhanced) |
| hardlink | Consolidate duplicate files via hardlinks |
| hexdump | display file contents in hexadecimal, decimal, octal, or ascii |
| ionice | set or get process I/O scheduling class and priority |
| ipcmk | make various IPC resources |
| ipcrm | remove certain IPC resources |
| ipcs | show information on IPC facilities |
| kill | terminate a process |
| last | show a listing of last logged in users |
| lastb | alias for last |
| logger | enter messages into the system log |
| login | begin session on the system |
| look | display lines beginning with a given string |
| lscpu | display information about the CPU architecture |
| lsipc | show information on IPC facilities currently employed in the system |
| lslogins | display information about known users in the system |
| lsmem | list the ranges of available memory with their online status |
| mcookie | generate magic cookies for xauth |
| mesg | display (or do not display) messages from other users |
| more | file perusal filter for crt viewing |
| mountpoint | see if a directory or file is a mountpoint |
| namei | follow a pathname until a terminal point is found |
| nsenter | run program with namespaces of other processes |
| prlimit | get and set process resource limits |
| rename | rename files |
| renice | alter priority of running processes |
| rev | reverse lines characterwise |
| runuser | run a command with substitute user and group ID |
| script | make typescript of terminal session |
| scriptlive | re-run session typescripts, using timing information |
| scriptreplay | play back typescripts, using timing information |
| setpriv | run a program with different Linux privilege settings |
| setsid | run a program in a new session |
| setterm | set terminal attributes |
| su | run a command with substitute user and group ID |
| taskset | set or retrieve a process's CPU affinity |
| ul | do underlining |
| unshare | run program with some namespaces unshared from parent |
| utmpdump | dump UTMP and WTMP files in raw format |
| uuidgen | create a new UUID value |
| uuidparse | a utility to parse unique identifiers |
| wall | write a message to all users |
| whereis | locate the binary, source, and manual page files for a command |
| write | send a message to another user |
File Formats | |
| adjtime_config | information about hardware clock setting and drift factor |
| fstab | static information about the filesystems |
| terminal-colors.d | Configure output colorization for various utilities |
System Administration | |
| addpart | tell the kernel about the existence of a partition |
| agetty | alternative Linux getty |
| blkdiscard | discard sectors on a device |
| blkid | locate/print block device attributes |
| blkzone | run zone command on a device |
| blockdev | call block device ioctls from the command line |
| cfdisk | display or manipulate a disk partition table |
| chcpu | configure CPUs |
| chmem | configure memory |
| clock | alias for hwclock |
| ctrlaltdel | set the function of the Ctrl-Alt-Del combination |
| delpart | tell the kernel to forget about a partition |
| fdformat | low-level format a floppy disk |
| fdisk | manipulate disk partition table |
| findfs | find a filesystem by label or UUID |
| findmnt | find a filesystem |
| fsck | check and repair a Linux filesystem |
| fsck.cramfs | fsck compressed ROM file system |
| fsck.minix | check consistency of Minix filesystem |
| fsfreeze | suspend access to a filesystem (Ext3/4, ReiserFS, JFS, XFS) |
| fstrim | discard unused blocks on a mounted filesystem |
| hwclock | time clocks utility |
| i386 | alias for setarch |
| isosize | output the length of an iso9660 filesystem |
| ldattach | attach a line discipline to a serial line |
| linux32 | alias for setarch |
| linux64 | alias for setarch |
| losetup | set up and control loop devices |
| lsblk | list block devices |
| lslocks | list local system locks |
| lsns | list namespaces |
| mkfs | build a Linux filesystem |
| mkfs.cramfs | make compressed ROM file system |
| mkfs.minix | make a Minix filesystem |
| mkswap | set up a Linux swap area |
| mount | mount a filesystem |
| nologin | politely refuse a login |
| partx | tell the kernel about the presence and numbering of on-disk partitions |
| pivot_root | change the root filesystem |
| raw | bind a Linux raw character device |
| rawdevices | alias for raw |
| readprofile | read kernel profiling information |
| resizepart | tell the kernel about the new size of a partition |
| rfkill | tool for enabling and disabling wireless devices |
| rtcwake | enter a system sleep state until specified wakeup time |
| setarch | change reported architecture in new program environment and/or set personality flags |
| sfdisk | display or manipulate a disk partition table |
| sulogin | single-user login |
| swaplabel | print or change the label or UUID of a swap area |
| swapoff | alias for swapon |
| swapon | enable/disable devices and files for paging and swapping |
| switch_root | switch to another filesystem as the root of the mount tree |
| umount | unmount file systems |
| uname26 | alias for setarch |
| wdctl | show hardware watchdog status |
| wipefs | wipe a signature from a device |
| x86_64 | alias for setarch |
| zramctl | set up and control zram devices |