Command List - U
All Command List Linux Started By U
| Command | Description |
|---|---|
| ul | Underline text. |
| ulimit | Get and set user limits for the calling process. |
| umask | Set file mode creation mask. |
| umount | Unmount specified file systems. |
| unalias | Remove alias definitions for specified alias names. |
| uname | Show system information. |
| uncompress | Uncompress the files compressed with the compress command. |
| unexpand | Convert spaces to tabs for a specified file. |
| unicode_start | Put keyboard and console in Unicode mode. |
| unicode_stop | Revert keyboard and console from Unicode mode. |
| uniq | Report or omit repeating lines. |
| units | Convert units from one scalar to another. |
| unix2dos | Converts a Unix text file to DOS format. |
| unrar | Extract files from a RAR archive. |
| unset | Remove variable or function names. |
| unshar | Unpack shell archive scripts. |
| until | Execute command until a given condition is true. |
| uptime | Tell how long the system has been running. |
| useradd | Create a new user or update default user information. |
| userdel | Delete a user account and related files. |
| usermod | Modify a user account. |
| username | It provides a set of commands to fetch username and its configurations from the Linux host. |
| users | Show the list of active users on the machine. |
| usleep | Suspend execution for microsecond intervals. |
| uudecode | Decode a binary file. |
| uuencode | Encode a binary file. |
| uuidgen | Created a new UUID (Universally Unique Identifier) table. |