Last checked against version &sh-utils-contversion;. basename, chroot, date, dirname, echo, env, expr, factor, false, groups, hostid, id, logname, nice, nohup, pathchk, pinky, printenv, printf, pwd, seq, sleep, stty, su, tee, test, true, tty, uname, uptime, users, who, whoami and yes basename strips directory and suffixes from filenames. chroot runs a command or interactive shell with special root directory. date displays the current time in a specified format, or sets the system date. dirname strips non-directory suffixes from file name. echo displays a line of text. env runs a program in a modified environment. expr evaluates expressions. factor prints the prime factors of all specified integer numbers. false always exits with a status code indicating failure. groups prints a user's group memberships. hostid prints the numeric identifier (in hexadecimal) for the current host. id prints the effective user and group IDs of the current user or a given user. logname prints the current user's login name. nice runs a program with modified scheduling priority. nohup runs a command immune to hangups, with output to a log file. pathchk checks whether file names are valid or portable. pinky is a lightweight finger utility which retrieves information about a certain user. printenv prints all or part of the environment. printf formats and prints data (the same as the C printf function). pwd prints the name of the current/working directory. seq prints numbers in a certain range with a certain increment. sleep delays for a specified amount of time. stty changes and prints terminal line settings. su runs a shell with substitute user and group IDs. tee reads from standard input and writes to standard output and files. test checks file types and compares values. true always exits with a status code indicating success. tty prints the file name of the terminal connected to standard input. uname prints system information. uptime tells how long the system has been running. users prints the user names of users currently logged in to the current host. who shows who is logged on. whoami prints the user name associated with the current effective user ID. yes outputs 'y' or a given string repeatedly, until killed.