cat file1 file2 file3 > file4
78
ls -al list hidden file also.Hidden files starting with "."
In Linux the chmod command is used to set file permissions.
mv file /path/to/directory
combine
zip
There is no "the startup file" in Linux; depending on the type of system, there may not be any files at all. The Linux boot process has a number of steps, many of which are optional or have alternative implementations.
These are different file types used under Linux 1. .tar and archieve files and need to be untared before use 2. .bin could be binary files in(elf format) 3. source file could be normal ASCII files.
text file
If you want to share files with other linux computer use NFS. If you want to share files with windows computer use SAMBA.
chmod +x is the command to set the executable flag in Linux but, Linux does not use exe files.
touch newfile will make a new empty file in linux os !