last:- last, lastb - show listing of last logged in users (Ex:- last)
lastb:- searches back through the file /var/log/wtmp (or the file designated by the -f flag) and displays a list of all users logged in (and out) since that file was created. (Ex:- lastb)
lastcomm:- print out information about previously executed commands.
lastlog:- formats and prints the contents of the last login log /var/log/lastlog file. (Ex:- lastlog)
lchage:- Display or change user password policy
lchfn:- Displays and allows changing information about user that is available using the finger(1) command (usually stored in the "gecos" field of /etc/passwd).
lchsh:- Displays and allows changing login shell of user.
ld:- combines a number of object and archive files, relocates their data and ties up symbol references.
ldapadd:- ldapmodify, ldapadd - LDAP modify entry and LDAP add entry tools
ldapcompare:- is a shell-accessible interface to the ldap_compare_ext(3) library call.
ldapdelete:- is a shell-accessible interface to the ldap_delete_ext(3) library call.
ldapexop:- ldapexop issues the LDAP extended operation specified by oid or one of the special keywords whoami, cancel, or refresh.
ldapmodify:- is a shell-accessible interface to the ldap_add_ext(3), ldap_modify_ext(3), ldap_delete_ext(3) and ldap_rename(3). library calls. ldapadd is implemented as a hard link to the ldapmodify tool. When invoked as ldapadd the -a (add new entry) flag is turned on automatically.
ldapmodrdn:- LDAP rename entry tool
ldappasswd:- change the password of an LDAP entry
ldapsearch:- LDAP search tool
ldapurl:- LDAP URL formatting tool
ldapwhoami:- LDAP who am i? tool
ldattach:- attach a line discipline to a serial line
ldconfig:- configure dynamic linker run-time bindings
ldd:- print shared library dependencies
ledctl:- Intel(R) LED control application for a storage enclosures.
ledmon:- Intel(R) LED monitor service for storage enclosures.
less:- is a program similar to more (1), but which allows backward movement in the file as well as forward movement.
lessecho:- is a program that simply echos its arguments on standard output.
lesskey:- is used to specify a set of key bindings to be used by less.
lexgrog:- is an implementation of the traditional “groff guess” utility in lex.
lgroupadd:- Adds a new user group with name group.
lgroupdel:- Deletes the user group with name group.
lgroupmod:- Modifies the user group with name group.
lid:- Displays information about groups containing user name, or users contained in group name.
link:- Call the link function to create a link named FILE2 to an existing FILE1.
linux32:- This utility currently only affects the output of uname -m. For example, on an AMD64 system, running 'setarch i386 program' will cause 'program' to see i686 (or other relevant arch) instead of x86_64 as machine type. It also allows to set various personality options. The default program is /bin/sh.
linux64:- This utility currently only affects the output of uname -m. For example, on an AMD64 system, running 'setarch i386 program' will cause 'program' to see i686 (or other relevant arch) instead of x86_64 as machine type. It also allows to set various personality options. The default program is /bin/sh.
linux-boot-prober:- utility will try to work out how to boot the linux root partition specified by <partition>. If successful, it will outoput one or more lines of the form:
ln:- make links between files
lnewusers:- Creates new user accounts using data read from standard input.
lnstat:- is a generalized and more feature-complete replacement for the old rtstat program. unified linux network statistics
loadkeys:- load keyboard translation tables
load_policy:- load a new SELinux policy into the kernel
loadunimap:- load the kernel unicode-to-font mapping table
locale:- get locale-specific information
localectl:- Control the system locale and keyboard layout settings
localedef:- define locale environment
locate:- find files by name
logger:- a shell command interface to the syslog(3) system log module
login:- begin session on the system
loginctl:- Control the systemd login manager
logname:- print user´s login name (Ex:- logname)
logrotate:- is designed to ease administration of systems that generate large numbers of log files. It allows automatic rotation, compression, removal, and mailing of log files.
logsave:- save the output of a command in a logfile
look:- utility displays any lines in file which contain string.
losetup:- set up and control loop devices
lpasswd:- Change group or user password
ls:- list directory contents
lsattr:- list file attributes on a Linux second extended file system
lsblk:- list block devices (Ex:- lsblk)
lscpu:- display information about the CPU architecture (Ex:- lscpu)
lsinitrd:- tool to show the contents of an initramfs image (Ex:- lsinitrd)
lslocks:- list local system locks (Ex:- lslocks)
lslogins:- display information about known users in the system (Ex:- lslogins)
lsmcli:- libStorageMgmt command line interface
lsmd:- libStorageMgmt plug-in daemon. Plug-ins execute in their own process space for fault isolation and to accommodate different plug-in licensing requirements. Runs as an unprivileged user.
lsmod:- Show the status of modules in the Linux Kernel (Ex:- lsmod)
lsof:- list open files (Ex:- lsof)
lspci:- list all PCI devices (Ex:- lspci)
lsusb:- list USB devices (Ex:- lsusb)
lua:- is the stand-alone Lua interpreter.
luac:- is the Lua compiler. It translates programs written in the Lua programming language into binary files that can be later loaded and executed.
luseradd:- Add an user
luserdel:- Delete an user
lusermod:- Modify an user
lvchange:- change attributes of a logical volume
lvconvert:- convert a logical volume from linear to mirror or snapshot
lvcreate:- create a logical volume in an existing volume group
lvdisplay:- display attributes of a logical volume
lvextend:- extend the size of a logical volume
lvm:- lvm provides the command-line tools for LVM2. A separate manual page describes each command in detail.
lvmchange:- change attributes of the logical volume manager
lvmconf:- lvmconf is a script that modifies the locking configuration in an lvm configuration file. See lvm.conf(5).
lvmdiskscan:- scan for all devices visible to LVM2
lvmdump:- create lvm2 information dumps for diagnostic purposes
lvmetad:- is a metadata caching daemon for LVM.
lvmsadc:- LVM system activity data collector and it is not currently supported under LVM2.
lvmsar:- LVM system activity reporter and it is not currently supported under LVM2.
lvreduce:- reduce the size of a logical volume
lvremove:- remove a logical volume
lvrename:- rename a logical volume
lvresize:- resize a logical volume
lvs:- lvs produces formatted output about logical volumes.lvscan:- scan (all disks) for Logical Volumes