ls command - List current directory files

Default ls command without flags

Input:

ls

Output:

DEMO_DIR  demo_file

Including hidden starting with .

Input:

ls -a # or -all

Output:

. .. .hidden DEMO_DIR  demo_file

hidden files except "." (current dir) and ".." (previous dir)

Input:

ls -A # or --almost-all

Output:

.hidden_file DEMO_DIR  demo_file

Long list format

• Shows file type, permissions, "amount of hard links", owner, group, size(bytes), date, file.

Input:

ls -l

Output:

drwxr-xr-x  3 alex alex 4096 Feb 18 21:39 DEMO_DIR
-rw-r--r--  1 alex alex 7130 Feb 19 03:12 demo_file

Combination of flags

• -l: Long list
• -A: All files (incl hidden) except implied . and ..
• -t: Sort by time, newest first.
• -h: Human readable format (size in kb)

Input:

ls -lAth

Output:

-rw-r--r--  1 alex alex 7.0K Feb 19 03:12 demo_file
drwxr-xr-x  8 alex alex 4.0K Feb 19 03:05 .hidden
drwxr-xr-x  3 alex alex 4.0K Feb 18 21:39 DEMO_DIR