j-l

• jobs - display status of jobs in the current session
• join - relational database operator
• kill - terminate or signal processes
• last - display last logged in users
• let - integer arithmetic
• lex - generate programs for lexical tasks
• ln - link files
• locale - get locale-specific information
• localedef - define local environment
• logger - log messages
• logname - return user's login name
• logrotate - change logging files of the syslog daemon
• lp - send files to a printer
• lpstat - report line printer status information
• ls - list directory contents