Linux
logout - logout from linux.
mv file1.c file2.c - This command will move the contents of file1.c to file2.c
in other words it will rename the filename.
man - manual used to get help on linux
commands. Example: To get help for “ls” type man ls
cp - copy contents from one file to another. Syntax: cp file1.c file2.c
cat - to display the contents of one file for e.g. cat text.c will display the
contents of file text.c
who - Displays list of current users that are logged in.
who am I - Displays your terminal number
cal 9 1990 - Displays calendar of the month September year 1990
date – Displays current date and time.
rmdir - Removes directory syntax rmdir directory name [before
removing the directory u should delete all the files in that particular
directory]
rm - Remove file (or delete file). Syntax: rm text.c removes the file
text.c, similarly rm *.c will delete all the files with .c extension.