Xing's Blog

sed - stream editor for filtering and transforming text. The most well-known use case for sed is substituting text.

echo - Print given arguments.

df - report file system disk space usage.

lsb_release v2.0 prints certain LSB (Linux Standard Base) and Distribution information.

uname - short for unix name, print system information. Note: use lsb_release for more info about the distribution.

Bash is a commonly used language on most Linux System. The name Bash stands for ‘Bourne Again SHell’. It is developed as a replacement/improvement for Bourne Shell(sh).

type display information about command type on Linux, whether it is a builtin, alias, or file.

hostname - show or set the system’s host name or domain name

killall - Send kill signal to all instances of a process by name (must be exact name)

kill - terminate a process by sending a signal.

top - display dynamic real-time view of the system summary info as well as a list of tasks currently being managed by the Linux kernel.

wc - print newline, word, and byte counts for each file

ps - display current processes. ps is short for Process Status.

id - display current user and group identity.

su - Switch shell to another user.