Assign a string to be recognized as a different one. Often used with a command.
Displays the calendar in standard output with extra information.
Concatenate files into a new file.
Changes current directory to another one.
Modify the read, write, and execute priveleges of files for users and groups.
Change ownership information of files.
Compare two sorted files line by line.
Copies the content in a file to another new file.
Schedule tasks or operations to run at given times.
Remove sections of each line of a file.
display current date and time.
analyzes two files and prints the lines that are different.
Shows amount of disk space being used by the machine's file systems.
Troubleshooting tool for driver and hardware issues.
Shows disk usage by specific files and directories and files.
display line of text.
causes shell to exit and close.
Used to create, edit, delete, or move partitions on a hard drive.
Searches for files throughout the directory tree based on certain commands.
Compress and archive files, similar to windows zip.
Search a file for keywords and return the line in which it appears in the file.
Prints the first few lines of a file out to standard input.
Lists up to the 1000 most recent commands executed in the terminal.
Used to view network and configuration information like IP and MAC addresses.
Lists out names and relevant information about files in a directory.
logout from current user session.
Manual pages, verbose descriptions of UNIX commands and how to use them.
Creates a new directory.
Make particular file system accessible at a certain point in the directory tree.
Move a file to another directory.
Troubleshooter for DNS related information.
join files horizontally.
Checks an IP address for network connectivity.
Writes full pathname of current working directory.
Deletes a directory.
Remote backup/data synchronization tool.
Copy files securely over SSH.
Create or change a variable in the shell/environment with a value.
Utilize secure file transfer protocol on a server.
Sorts text line by line. Many kinds of sorts.
evaluates file as a list of commands executed in the current context.
Utilize secure shell network protocol to gain secure access to a server.
Switch to another user or run commands as another user.
Run commands as the SuperUser.
Prints the last few lines of a file.
Rip collection of files and directories into a compressed archive.
Creates new empty file in the current directory.
Trace the path of a packet from its genesis to its final destination.
Delete an existing shell/environment variable.
Text editor built into UNIX.
Counts lines, words, and characters in a file.
A command line utility used to download files from servers on the internet.
Locates pathnames of the files that would be run by the shell if given a command.
Shows which user(s) are currently logged in on the machine.