man ssh HD at Mac App Store analyse

Learn how to use Linux ssh terminal commands.
See how every command works with live access to ssh. For each function there is a sample of bash script where the selected command is used.
This is for learning the commands, and does not require a server. You will be set up to use a test site while you practice the commands.

›› arch - outputs the processor architecture
›› cat - outputs the contents of a file
›› cd - change the working directory
›› chgrp - change group ownership of files
›› chmod - change access permissions of files
›› chown - change file owner and group
›› cksum - print CRC checksum and byte counts of each file.
›› cp - copies a file
›› date - outputs the current date and time
›› df - reports the amount of disk space used and available on filesystems
›› dir - list directory contents
›› du - estimate file space usage
›› echo - display a line of text.
›› exit - cause the shell to exit
›› find - search for files in a directory hierarchy
›› free - display amount of free and used memory in the system
›› groups - outputs the user groups of which your account belongs to
›› hostname - outputs the machines hostname on the network
›› id - outputs user id, group id, and groups of your account
›› kill
›› killall - kill processes by name
›› last - show listing of last logged in users
›› ln - make links between files
›› logname - print users login name
›› ls - list directory contents
›› man - open the manual page for a software or function
›› md5sum - outputs the MD5 hash sum of a file
›› mkdir - makes a directory
›› mv - moves a file
›› nl - number lines of files
›› nm - list symbols from object files
›› od - dump files in octal and other formats
›› pidof - find the process ID of a running program
›› ping - pings a host
›› ps - outputs running processes
›› pstree - display a tree of processes
›› pwd - outputs the name of current working directory
›› rm - removes a file or directory
›› rmdir - removes a directory
›› sha1sum
›› shutdown - bring the system down in a secure way. All logged-in users are notified that the system is going down
›› size - list section sizes and total size
›› stat - outputs file status
›› strings - print the strings of printable characters in files
›› tail - output the last part of files
›› talk - talk to another user
›› touch - change a files access and modification timestamps. If file does not exist, create it
›› tty - outputs the name of the current terminal
›› uname - outputs operating system, hostname, kernel version, date and timp, and processor
›› uptime - outputs the system uptime
›› users - print the user names of users currently logged in to the current host
›› vdir - list directory contents
›› w - show who is logged on and what they are doing
›› wall - end a message to everybodys terminal
›› wc - counts lines in a file
›› whatis - search the whatis database for complete words
›› who - outputs who is currently logged into the system
›› whereis - locate the binary, source, and manual page files for a command
›› whoami - outputs your username / the name of your account